Difference between List of ? (any type) and List of Object in Java Generics

No doubt that Generics is one of the most confusing topics in Java and you can easily forget concepts and rules, especially, if you don't code Java everyday. For example, both List<?> and List<Object> looks similar but there is a subtle difference between them, the List<?> is basically a list of any type, you can assign a list of String i.e. List<String> or list of Integer i.e. List<Integer> to it. You see the point, it uses the unbounded wildcard <?>, which means any type. It provides it the much needed Polymorphism require while writing Generic methods. Basically, if your method has a type List<?> which means you can pass any type of List to it but remember the type is unknown, until you assign it i.e. List<?> myList = new List<String>(). 

Top 8 Udemy Courses to Learn System Design and Software Architecture in 2024 - Best of Lot

Hello guys, if you want to learn Software Architecture and System design in 2024 and looking for best resources then you will be happy to know that  I am going to share  8 best Udemy courses to learn Software architecture and System design for 2024. if you are preparing for technical interviews for Software Engineering job then you may be aware of  Software Design or System design. It is one of the most important but at the same time very tough topic to master and many programmers even experienced developer struggle to solve System design problems during interview, particularly while interviewing with top tech companies like Google, Meta, Amazon, Apple, Microsoft, Netflix etc, popularly known as FAANG (now MAANG) since Facebook is now Meta. If you are also preparing for programming job interview and looking for best System design and Software design resources then you are at the right place. 

How to Crack Java Programming Interviews in 2024? Topics, Courses, Books, and Questions

Java Interviews are a little bit different than traditional programming interviews on tech giants and product-based companies like Google, Amazon, Microsoft, or Facebook. First, even though it has questions from Data Structures and Algorithms like String or Array, you can still manage to clear Java interviews if you are not an expert on them. The questions are a little bit easier and more practical than those companies. Another essential thing about Java interviews are questions based upon Java programming language and JDK API. Since Java is also an Object-oriented programming language, you will find lots of OOP questions there.

Top 9 Websites to Learn System Design and Software Design in 2024 - Best of Lot

Hello guys, if you are preparing for System design Interview and looking for best resources to master Software design and System design then you have come to the right place. Earlier, I have shred best System Courses, Books, System Design Interview Guide, Cheat Sheets, and System Interview Questions and in this article, I am going to share best places to learn System design in 2024. Before we get to the best websites that will teach you everything you need to know about system design, let me tell you a little bit about what it really is. Systems design is basically the process of defining elements of a system including modules, architecture, components, interface, and data for a system based on a specific set of requirements. It can also refer to the process of defining, developing, and designing systems. These designs have to satisfy the specific needs of a company or an organization.

Top 5 Free Courses to Learn Kubernetes for Developers and DevOps Engineers in 2024 - Best of Lot

Hello guys, DevOps is becoming an essential skill in today's Programming and Software Development world and Kubernetes is an important concept and tool for DevOps engineers. It takes container-based deployment to another level and allows you to manage it on the scale. You can use Kubernetes to scale your container environment or let Kubernetes do all the work for you by leveraging its auto-scaling feature. Many DevOps beginners think that Docker and Kubernetes are the same but they are not. Docker provides a container to deploy your application and commands to interact with those but container but Kubernetes is actually a container management technology, which decides how many containers are needed and deal with other management aspects.

Top 5 Books to Learn JavaScript in depth - Best of Lot, Must Read

JavaScript is the most popular programming language in Web, way ahead of popular ones like Perl, Ruby, and Python. It is also one of the essential skills for any Web developer. It is even true for Java developers. If you have JavaScript in your resume or LinkedIn profile, you will likely receive many Job opportunities. Everybody wants polyglots, programmers who know multiple programming languages because most of the real-world projects are developed with multiple technologies, you will always found some component is written in Java, some in C++, then you have JSP, Server, jQuery, JavaScript, etc. for web pages and so on. In short, it's essential to learn JavaScript in today's competitive world.

Top 5 Courses to Learn Hibernate and JPA in 2024 - Best of Lot

Hibernate is one of the essential frameworks for Java and Java EE or JEE programmers, especially if you are working on the server-side of a Java Web development project. It's an ORM tool or a framework that allows you to deal with only objects while Hibernate takes care of your data on your behalf. For example, instead of writing classes with SQL to load, save, and update data using the DAO design pattern, you can simply use the Hibernate framework in your project. It will allow you to deal with just objects while it will load, save, and update data in the background. It's also one of the top Java frameworks in my list of top 10 Java frameworks Programmers can learn.

Top 5 Courses to Learn IntelliJIDEA and Android Studio IDE for Java and Kotlin Programmers in 2024 [Best & FREE]

There is no doubt that IntelliJ IDEA is THE best IDE for Java development, even though Eclipse may still be probably used by more people because it's FREE, IntelliJ IDEA is the most feature-rich and complete IDE. The Android Studio, which is the official IDE for Android development in Java, is also based upon IntelliJ IDEA, which further cement its place as the IDE Java developer should learn. The only thing which stops many other Java developers and me from moving from IntelliJ IDEA in the past was the lack of resources. Since Eclipse was free from the start, there are tons of resources, like books, courses, and tutorials are available. There are also a lot of resources to learn productivity tips, like keyboard shortcuts, and debugging techniques, but there were not many for IntelliJ IDEA.

Top 7 Python Books to Learn Data Science and Machine Learning in 2024 - Best of Lot

While there are many online courses to learn Python for Machine learning and Data science, books are still the best way for in-depth learning and significantly improving your knowledge. Python is a universal language that is used by both data engineers and data scientists and probably the most popular programming language, as well. All the Data Scientists I have spoken to, and many in my friend circle just love Python, mainly because it can automate all the tedious operational work that data engineers need to do. To make the deal even sweeter, Python also has algorithms, analytics, and data visualization libraries like Matplotlib, which is an essential data scientist.

Top 10 Coursera Courses and Certifications to Learn Web Development in 2024 - Best of Lot

Hello guys, If someone asked me 10 years ago about how to learn web development and get a job I would more likely say that you have to go to college and get your Bachelor’s degree and then try to get a job or internship. In short, it was only possible to become a web developer by spending years on education and thousands of dollars, now the internet has changed the game nowadays. These days many online platforms like Coursera, Udemy, Pluralsight, CodeCademy, and Educative appeared to the world allowing people to take online training courses in almost any industry and web development is one of them. 

Top 10 Coursera Certifications, Courses, and Specializations to Learn Essential Skills in 2024 - Best of Lot

Hello guys, if you are looking for the best Coursera courses, certification, and specialization to join in 2024 then you have come to the right place. In the last few articles I have shared the best Coursera courses to learn Python, Software Development, and Cloud Computing, and today, I will share the best Coursera courses, specializations, and certifications you can join in 2024. Taking online courses and certifications have become mandatory in order to have a professional and successful career and the process is similar to a college education just by staying at your home taking classes watching videos and passing the quizzes and done you are now officially certified and when it comes to the best platform to learn online no one can compete with Coursera.

Top 5 Books to Learn Spring Boot and Spring Cloud for Java Developers - Best of Lot

Hello guys, if you are a Java developer and want to learn Spring Boot and Spring Cloud frameworks and looking for some of the best books and courses, then you have come to the right place. In the past, I have shared some of the best Spring Boot courses and Spring Cloud courses, and today I am going to talk about some of the best books to learn Spring Boot and Spring Cloud, but before that let's try to understand what is Microservice and how Spring Boot and Spring Cloud helps with the development of microservices in Java. In simple words, Microservices is nothing but an extension of RESTful web services with the fundamental idea to break up your code into small, distributed, and independent services for better scalability and management, but it does require thoughtful design and think through ability.

Top 5 Online Courses to Learn Artificial Intelligence in 2024 - Best of Lot

If you want to learn Artificial Intelligence in 2024 and looking for the best online courses then you have come to the right place. Earlier, I have shared the best Data Science courses and today, I am going to share the best courses to learn Artificial Intelligence in 2024. These are the best online courses for Artificial Intelligence or AI for beginners and curated from sites like Udemy, Pluralsight, and Coursera, three of the best online learning platforms. These courses have been created by experts like Andrew Ng, an AI pioneer and founder of Coursera, and trusted by thousands of programmers and non-technical people who want to learn AI.  You can also join them to learn Artificial Intelligence in 2024. 

Top 50 Free Spring Certification Practice Questions Answers for Java Developers

Hello guys, if you are preparing for Spring Professional certification in 2024 and looking for free Practice questions then you have come to the right place. Earlier, I have shared best spring books and courses and today, I am going to share 50+ spring boot practice questions for this certification. To be honest, preparing for IT certification like Oracle's Java certification or VMware's Spring Certification required a lot of hard-work. I have seen many experienced Java developers failing these certifications and losing money and time due to overconfidence and lack of preparation. A structured and complete certification preparation involves reading books, joining course and doing practice questions. When it comes to Spring certification, practice questions are quite hard to find and that's why I created my Udemy course with 250+ Spring Certification questions. This course has helped more than 9000 students in their Spring certification preparation journey. 

Top 10 Data Science Certification Courses for Python and R Developers in 2024 - Best of Lot

Hello guys, Data Science, Machine Learning, Deep Learning, and Artificial intelligence are really hot at this moment and offering a lucrative career to programmers with high pay and exciting work. It's an excellent opportunity for programmers who are willing to learn these new skills and upgrade themselves. It's also important from the job perspective because Robots and chatbots are getting smarter day by day, thanks to these technologies, and most likely will take over some of the jobs which many programmers do today. Hence, it's essential for software engineers and developers to upgrade themselves with these skills.

Top 7 Books and Online Courses to Crack the PMP Certification Exam in 2024 - Best of Lot

If you are in the Project management and People management area, then you might have heard about PMP certifications, one of the most reputed and sought-after IT certifications for project managers and people aspiring to start their career in project management. PMP is a short form of Project Management Professional and is offered by the Project Management Institute (PMI). As I said, it's one of the most reputed certifications for project management professionals. There is an immense global demand for project managers. Several leading and best companies hire certified project managers to manage their projects. According to a PMI report, over 2 million project management roles need to be filled every year.

Top 5 Java Performance Tuning Books for Experienced Programmers - Best of Lot, Must read

You might be thinking, why should a Java developer read a book on Performance tuning? When I first faced this question a long time back, I thought I will do it later, but I never got back to that for a long time. I realize my mistake of having a lack of knowledge on memory measurement, JVM tuning, and finding bottleneck only when I faced severe performance and scalability issues on our mission-critical, server-side financial application written in Java. It's true that when you really need it, you learn most, but those times are not the best time to learn fundamentals, in fact, those times are to apply and correct your misunderstanding.

Top 10 System Design and Software Analysis and Design Books in 2024 - Best of Lot

Hello guys, System design and Software design are two important topic for coding interviews and also two important skill for Software developers. Without knowing how to design System you cannot create new software and it will also be difficult to learn and understand existing software and system. That's why big technical companies like FAANG pays special attention to System design skill and test candidates thoroughly. If you want to learn System design and looking for best resources like best System design books and courses then you have come to the right place. Earlier, I have shared best System design online courses, as well as Software architecture courses,  and common System design questions and in this article, I am going to share with you best System design books to learn Software design. 

Top 5 Courses for CompTIA A+ Certification in 2024 (with Practice Test) - Best of Lot

Hello guys, CompTIA A+ is a famous certification among beginners who wants to start a career as an IT professional and learn information technology in general. This IT certification doesn't have any requirement to take it and it is recognized in all companies around the world and includes some topics such as information security, network administrator, computer repair, operating systems, and many more computer fundamental topics. If you don't know what is CompTIA let me give you a brief overview. CompTIA stands for Computer Technology Industry Association.

Top 5 Course to Crack AWS Certified DevOps Engineer Professional Exam DOP-C02 in 2024 - Best of Lot

Do you want to become a DevOps engineer for cloud platforms like AWS but don't have a target, then you have come to the right place because today, I am going to talk about AWS Certified DevOps Engineer Professional Exam and share the best online courses to prepare well for this prestigious exam. While being a good developer is great and writing scalable codes is an asset, delivery time is very important in all IT projects as well, and that was what prompted the first DevOps day. DevOps is a combination of word development and operations which is the operations that lead to faster software development. Getting a certificate in DevOps enables professionals in IT to display their skills and qualifies them to be part of DevOps leaders.

How to Crack AWS Certified Developer Associate Certification Exam DVA-C02 in 2024

Hello guys,  if you are preparing for AWS Developer Associate certification with exam code DVA-C02 in 2024 and looking for the best books, courses, and overall guidance to pass this exam then you have come to the right place. Earlier, I have shared the best AWS developer courses and practice tests, and today, I am going to share the overall guide and complete resources to pass this prestigious AWS cloud certification. There is no doubt that AWS certification is very valuable and opens the door for a lot of opportunities, not just for system admins and solution architects but also for developers and DevOps Engineers.

Top 10 Courses to Learn JavaScript in 2024 - Best of Lot

There is no doubt that JavaScript is the most popular programming language at this moment, and it's also confirmed by StackOverFlow's Survey. You can build static websites, web applications, native mobile applications (yes, you can do that too), desktop applications, and even server-side applications in JavaScript. It also makes you a hundred times more employer as there are tons of web development jobs out there. Because of that, more and more developers are learning JavaScript to become web developers.

Top 5 MySQL Courses for Programmers and DBAs to Learn Online in 2024 - Best Of Lost

Hello guys, if you are interested in learning SQL with MySQL database and looking for some awesome resources e.g. books, tutorials, and online courses then you have come to the right place. In past, I have shared some useful books and tutorials and in this article, I am going to talk about some of the best MySQL online courses from Udemy and Pluralsight which you can join to learn SQL and MySQL from the comfort of your office or home. In the last couple of years, you might have heard the statement that everybody should learn to code, which is great. Coding is now like reading, writing, and speaking skills and in today's Information technology-centric world it is a must-have and there is no better way to start coding than learning SQL, the most popular programming language.

Top 5 Courses to Crack AWS Certified Developer Associate Exam (DVA-C02) in 2024 - Best of Lot

Hello guys, you might have heard about AWS certifications and if you, as a Programmer, Software Developer, or DevOps Engineer, wondering which certification to pursue in 2024, I would suggest going for AWS Developer Associate Certification by Amazon Web Service. The AWS Certified Developer - Associate examination is intended for Software Developers and Programmers who have one or more years of hands-on experience developing and maintaining an AWS-based application. Since the future of Software Development is in Cloud it makes sense for Software Developers to get certified for their cloud development skills and given that AWS is the most popular and biggest Cloud platform it makes sense to go for AWS Developer Associate certification.

Top 5 Java 8 Certifications Courses to Prepare OCAJP (1Z0-808) Exam Online in 2024

If you are preparing for Oracle Certified Java SE 8 Associate exam, also known as OCAJP 8 and OCPJP 8 with exam codes 1Z0-808 and 1Z0-809 and looking for a decent online course to kick start with your preparation then you have come to the right place. In the past, I have shared Java 17 courses for 1Z0-829 certification and Java 11 courses for 1Z0-819 exam and In this article, I will share some of the best online courses to prepare for Java SE 8 certifications. Btw, first of all, configurations to make the right decision. If you are a Java developer then certifying for your skill will not only distinguish you from millions of other non-certified Java programmers but also improve your knowledge and understanding of Java SE 8. If you are looking for a job then this can help you to get a better job and if you are looking for career growth like becoming a senior Java developer, these certifications can help you to get a promotion.

Top 5 Courses to Learn SQL and Database in 2024 - Best of Lot

Hello guys, if you are a computer science graduate or new to the programming world, interested in learning SQL, and looking for some excellent resources, like books, courses, and tutorials to start with, then you have come to the right place. In the past, I have shared some of the best SQL books and tutorials, and today I am going to share some of the best SQL and database courses to learn and master this useful technology. If you don't know what SQL is and why you should learn it, let me give you a brief overview of SQL for everyone's benefit. SQL is a programming language to work with a database. You can use SQL to create database objects, like tables, stored procedures, etc., and also to store and retrieve data from the database.

7 Topics You Must Prepare for Programming Job Interviews in 2024

Hello folks, are you thinking of a new job in 2024 and looking for which topics and skills to prepare for your coding interview? There is no doubt cracking the Coding interviews of tech companies like Google, Microsoft, and Amazon is very hard. However, you can still break it by carefully planning and preparing the essential skills which matter most, like Data structures and Algorithms, System Design, Multithreading and Concurrency, SQL and Database design, and of course, problem-solving skills. Being an author of Java and a programming blog, I often receive queries about preparing for coding interviews? How to pass Google or Microsoft Software Developer interviews? Or how can I get a software development job on Amazon or Facebook? After answering many of my readers one by one on Facebook and LinkedIn, I thought to put together a list of essential topics for coding interviews.

10 Reasons to Learn Java Programming Language in 2024 and Why Java is Best

Java is one of the best programming languages created ever, and I am not saying this because I am a passionate Java developer, but Java has proved it in the last 20 years. Two decades is a big time for any Programming language, and Java has gained strength every passing day. Though there are times when Java development slows down, Java has responded well. Earlier with groundbreaking changes in the form of Enum, Generics, and Autoboxing in Java 5, performance improvement with Java 6, functional programming using the lambda expressions in Java 8, and Google's choice of language for Android apps development keeps Java as a front-line programming language.

Top 5 Courses to learn Pandas and Python Data Analysis for Beginners in 2024 - Best of Lot

Pandas is one of the most potent and popular Python libraries for Data Analysis. It's also one of the favorite tools for Data scientists because it helps them in cleaning, transformation, manipulation, and analysis of Data. To be honest, data in the real world is messy, and before you can start with your analysis, you need to clean and transform the data in the format you want. A tool or library like Pandas really helps there. That's why it's essential to learn about Pandas while doing Data Analysis with Python. It's even more critical if you are in the field of Data Science and Data Analysis. If you know Pandas, well and good, but if you don't mind, as I am going to share some of the best online courses to learn Pandas and Data Analysis with Python in 2024.

Top 10 Data Structures and Algorithms Every Programmer Should Learn

Data Structure and Algorithms are two pillars of Programming. You may know that "Data Structure + Algorithms = Computer Program". They are also the most important ingredient of a good program and right choice of Data Structure and Algorithms can improve performance drastically, whereas a wrong choice can spoil the party, but do you know what exactly they are? Well, Data Structure are nothing but a way to store data, while Algorithms are ways to operate on that Data. There is a reason why Data Structure and Algorithms are taught in every single Computer Science classes, it doesn't matter whether you are learning Java, C++, Python, JavaScript, Golang, or any other programing language, those data structure and algorithm will be same everywhere.  An hash table will always be a a way to associate one object with other and retrieve it in constant time whether you call it HashMap in Java or Dictionary in Python. 

Top 11 Websites and Online Platforms to Learn Git for FREE in 2024 - Best of Lot

Hello guys, like many programmers, I have also worked with a lot of source control systems like SVN, CVS, TFS, VSS, Mercury, and I had always wondered why so many source control systems? Why not just one. It's one of the necessary software tools for development, and everyone needs a version control and code repository, there should be a standard solution. It seems Git and Github have solved that problem now. Now, Git is everywhere from open source to closed source, from small startups to big Investment banks, but there were still legacy projects which were lying on SVN and CVS, but they are now also started moving towards it.

Top 10 Coursera Certifications and Courses to Learn Python in 2024 - Best of Lot

While there are many online platforms out there to learn Python Programming from scratch, Coursera is one of the most popular and reputed websites to learn Python for beginners. The best thing about Coursera is that it provides access to courses taught at the World's top universities like the University of Michigan and Rice University, one of the top 20 universities in the USA. It has also got the best Python certifications offered by the world's most reputed companies like IBM and Google and the world's top universities like the University of Michigan and Johns Hopkins University. That's why many people flock to Coursera to learn Python and other Computer Science and Software Engineering skills.

Top 10 Free Courses to Learn Docker in 2024 - Best of Lot [UPDATED]

I have been answering a lot of questions about what programmers should learn in 2024, and Docker Container is one such skill. Docker and containers are a whole new way of developing and delivering applications and IT infrastructure. In this post, I'll talk about what Docker is and why a programmer should learn Docker. In today's world of massive scalability, where every single mobile app and web application needs to support billions of users (think of YouTube, WhatsApp, Uber), software application development and deployment have become increasingly complex. Gone are the days when the software is developed by a small team of onshore people.

Top 6 Microservices Frameworks Java Developers Should Learn in 2024 - Best of Lot

Hello Java Programmers, if you are thinking about Microservice Architecture and Cloud-Native development in Java and exploring options like frameworks, libraries, and technologies then you have come to the right place. Earlier, I have shared the best Microservice courses, and Microservice design patterns and in this article,  I am going to share the best Microservice Framework for Java developers. While you may know that Spring Boot and Spring Cloud is the leading framework for developing Microservice applications in Java, there are a couple of more options as well like MicroNaut, DropWizard, and Quarkus IO. In this article, you will learn about the top 5 frameworks you can use to develop Microservice in Java.

The 2024 CyberSecurity Analyst RoadMap

Hello guys, if you want to become a CyberSecurity Analyst or Cyber Security Engineer in 2024 and looking for Cyber Security RoadMap where you can learn find essential and specialized tools and skills required to become a Cyber Security expert then you have come to the right place. Earlier, I have shared best Cyber Security courses and books and in this article, I am going to share the complete roadmap to become a Cyber Security Analyst in 2024.  One of the easiest way to become a CyberSecurity Analyst in 2024 is to join a well designed training program like Google's CyberSecurity Professional Certificate on Coursera. This well designed program take the guesswork out of the equation and teach you all the skills and tools you need to become professional cyber security engineer in 2024. This is also like a shortcut of becoming Cybersecurity professional.

Top 6 Courses and Books to Learn Tailwind CSS for Beginners in 2024 - Best of Lot

Hello guys, if you want to learn Tailwind CSS and their utility class in 2024 and looking for the best online courses to learn Tailwind CSS then you have come to the right place. In the past, I have shared best courses to learn HTML and CSS and Bootstrap, another popular CSS framework and in this article, I will share best online courses for Tailwind CSS. If you don't know what is Tailwind CSS, let me give you a brief overview first. It's another utility framework which allows you to break your style into small reusable components. This prevent repetition and improves organization by creating CSS classes for every feature or section on the website instead of hogging all page space with one big style sheet that applies globally

Top 5 Spring Microservices Courses with Spring Boot and Spring Cloud in 2024 - Best of Lot

Microservices is the new buzzword in software development word and everybody is talking about it, but it's been in practice for quite some time especially in the form of RESTful web services. The idea of Microservices is simple, breaking a big monolithic application that contains everything from UI to service layer to database into small chunks of applications that are loosely coupled and can work on their own. For example, in a company like Uber, you could have several applications providing different services e.g. discovering when a driver is online or a passenger is searching for a cab, finding a route, traffic, and handling payments. These small applications are known as Microservices.

Top 10 Coursera Courses to Learn Computer Science and Software Development in 2024 - Best of Lot

Hello folks, if you are looking for the best Coursera courses for Software Development and Computer Science, you have come to the right place. Earlier, I shared the best Data Science courses and the best Python Courses from Coursera. This article will share the best courses to learn Software Development, Programming, and Computer Science for Beginners and experienced alike. 

Software development and programming are estimated to grow about 13% by 2026, which means that there is no better time to enter this field and learn new skills in software development and programming, whether web development, mobile apps, or the internet of things, so you need to do the impossible to stay above your competitor.  

Top 7 TensorFlow Courses for Beginners and Experienced in 2024 - Best of Lot

If you are curious about Artificial intelligence, Data Science, and Machine learning, then I am sure you have heard about TensorFlow, Google's machine learning API, which they have used to develop the RankBrain algorithm for Google Search. TensorFlow is one of the most popular machine learning API, which allows you to automate several real-world tasks; for example, you can use it for image detection. In fact, a Japanese farmer turned programmer used it to detect the best quality Cucumber, which only his father and mother can do with his years of experience. That's the power of machine learning, which is now available to everyone because of TensorFlow.

Top 5 Spring MVC Online Courses for Beginners in 2024 - Best of Lot

Hello guy, Many of you have been asking me about the best online courses to learn Reactive Spring, Spring Boot, and Spring MVC. I have shared the best Spring Boot courses in the past, and today I will share the best courses to learn Spring MVC. Many Java developers think that Spring MVC is the same as Spring Framework, which confuses them. In this article, I'll try to answer than questions and share some of the best courses to learn Spring MVC for Java developers. Both Spring Core and Spring MVC are part of the same umbrella, a more significant spring framework project, but they are not the same.

Top 5 Free Java Courses for Beginners to Learn Online in 2024 - Best of Lot

We all love free resources, don't we? If you want to learn Java online in 2024 and looking for the best free core Java online courses then you have come to the right place. Earlier, I have shared the best Java courses for beginners and in this article, I am going to share the best free courses to learn Java online. There was a time when I buy a lot of books when I was preparing for my engineering entrance exam but I only ended up buying books not reading them. After that, I changed my habit to first try to read a book on loan or try free resources and only buy when I really need them. When I started my programming journey, mostly I learn from free resources like free courses and books and there I developed the passion to collect free resources as well. 

Top 10 Microservices Design Patterns and Principles - Examples

Hello guys, if you are using Microservice architecture and want to learn about different Microservice design patterns and principles to better architect your application then you have come to the right place. Earlier, I have shared the best Java Microservices courses and books for Java developers, and in this article, I am going to share the essential Microservice design principle and patterns. We will cover patterns like Event Sourcing, Circuit Breaker, SAGA, CQRS, Strangle, and API Gateway and principles like Scalability, Flexibility, Resiliency, etc. When you developing an enterprise application, it is good to move with micro-services rather than move with a monolithic architecture. 

Top 6 Courses to Learn Spring Framework in Depth in 2024 - Best of Lot

Spring Framework is an essential skill for Java developers, not only to get a job as a Java developer but also for your career advancement. Since Spring is now used in almost every Java project, it becomes virtually mandatory to learn the Spring framework. Now, the question comes, what is the best way to learn the Spring framework? Are there any online courses out there that are focused on Spring? What are some good books and resources for learning Spring? These questions are widespread among Java developers, and I often see them on forums, online chat channels, and even many of my readers also ask this to me on Facebook chats and email. Well, the best way to learn any technology is by coaching, online courses, and books.

Top 5 Java Design Pattern Courses for Experienced Java Developers in 2024 - Best of Lot

Hello guys, today, we'll talk about design patterns and some of the best online courses to learn design patterns in Java from scratch. If you are wondering what is a design pattern and why Java developers should learn them? then let me give you a brief overview. Design patterns are nothing but a tried and tested solutions of common programming problems, for example, the creational design patterns deal with the problems of object creation. They exist from a long time but made popular by famous Gang of four of Erich Gamma, John Vlissides, Ralph Johnson and Richard Helm in their classic 1994 book Design Patterns: Elements of Reusable Object-Oriented Software, also known as GOF design patterns. This book documented 24 design patterns which are reusable to solve common programming problems. 

Top 5 Data Science and Machine Learning Courses to Learn Online in 2024 - Best of Lot

Many programmers and Computer Science graduates are moving towards Data Science and Machine learning hoping for better pay and career opportunity and there is a reason for it. Data Scientist and Machine Learning Specialist have been ranked the number one job on Glassdoor for the last couple of years and the average salary of a data scientist is over $120,000 in the United States according to Indeed. Data Science is not only a rewarding career in terms of money but also provides the opportunity to solve some of the world's most interesting problems.  IMHO, that's the main motivation many good programmers are moving towards Data Science, Machine Learning, and Artificial Intelligence.

Top 133 Java Interview Questions Answers for 2 to 5 Years Experienced Programmers

Time is changing and so is Java interviews. Gone are the days, when knowing the difference between String and StringBuffer can help you to go through the second round of interview, questions are becoming more advanced and interviewers are asking more deep questions. When I started my career, questions like Vector vs Array and HashMap vs Hashtable were the most popular ones and just memorizing them gives you a good chance to do well in interviews, but not anymore. Nowadays, you will get questions from the areas where not many Java programmer looks e.g. NIO, patterns, sophisticated unit testing or those which are hard to master e.g. concurrency, algorithms, data structures and coding.

Top 5 Websites to Learn Python Coding for FREE - Best of Lot

Believe it or not, but Python has inspired many people to learn to code, and it's continually inspiring them. I know a handful of people who are learning Python for different reasons, starting from web development to machine learning. I have seen new people learning Python to write web apps using Django, create a Machine learning Model using Python, and just write some handy scripts to automate the boring stuff. Python is currently the world's #1 programming language and its popularity is growing every passing day, thanks to Data Science and Machine learning and awesome Python libraries like Pandas, PyTorch, NumPy, and TensorFlow.

Top 5 Practice Tests for AWS Certified Developer Associate DVA-C02 Certification in 2024

Hello guys, time and again I have said that practice questions and mock tests are an integral part of passing AWS certifications be it AWS solution architect or this AWS developer associate exam. They not only help you to prepare in an exam-like environment with time constraints but also reinforce and solidify whatever you have learned from online courses, books, tutorials, and white papers. It doesn't matter whether you have joined AWS developer courses like Neal Davis' AWS course on Udemy or Stephane Maarek's DVA-C02 course, unless and until you have practiced enough problems, you are not really ready for the exam.

Does Vmware's Spring Professional Certification help Java Programmers in Jobs and Career Growth?

One of the frequently asked questions among Java and Spring developers is whether Spring certification is valuable? Or does Spring Professional Develop Certification help you in Job and Career? These questions are not very different from what a Java developer asks about Oracle's Java certification (see here). The short answer to these question is Yes, Spring Professional Certifications (VMware EDU-1202  are valuable, as it's not just provides Industry recognition for your knowledge, experience, and skill but also improves your knowledge about Spring Framework, Spring Boot, Spring Data JPA and Spring Ecosystem which sets you apart from the millions of Java and Spring developer who are not certified. Of course, as with any certification, the most valuable part apart from recognition is the learning process, and this is true for Spring certifications as well.

Top 10 AWS (Amazon Web Services) Certifications for IT Professionals in 2024 - Best of Lot

Hello guys, if you are thinking to take your cloud skills to next level or want to become a certified cloud professional then you have come to the right place. In the past, I have shared many free and paid courses to learn AWS, Azure, and Google Cloud certification, and today, I am going to share the 10 best Cloud certifications for AWS Cloud professionals can aim for in 2024. These certifications are provided by Amazon itself and they are highly regarded. These are also role-based certifications which means you have certificates from developers, DevOps engineers, system admins, software architects, DBAs, Security experts, Network experts, Big Data professionals, and Data Analysts. You can choose them depending upon your skill and experience.

Top 5 Course to Crack AWS Solution Architect Professional (SAP-C02) Certification Exam in 2024 - Best of Lot

Hello guys, today, I am going to talk about the toughest AWS certification and probably one of the toughest Cloud certifications as well, yes, you guessed it right. I am talking about the AWS Solution Architect - Professional certification. This is not just the toughest but also most desired and reputed cloud certification and not many developers and system admin can pass it. It's slightly easier to pass the AWS Solution Architect- Associate exam but this one is a completely different nut to crack. You would need an in-depth knowledge of not just cloud computing but also many essential AWS services to crack this coveted certification. The good thing is that there is a huge demand for AWS certified Solution architects and once you pass the exam, you will get the job you always want and you can even get a much better salary.

Top 8 Courses to Crack AWS Certified Cloud Practitioner Certification Exam (CLF-C02) in 2024 - Best of Lot

Hello guys, you may hear about the buzz around cloud computing and AWS, and cloud computing is indeed essential for today's programmers, developers, IT professionals, and project managers. And, if you want to know about Cloud computing concepts from scratch, there is no better way than to go for a certification like AWS Certified Cloud Practitioner (CLF-C02) or Azure Fundamentals (AZ-900). These are the first stepping stone on Cloud and the most specific accreditation you can get on Cloud computing. They provide an overview of Cloud computing concepts like IaaS, Pass, Saas, how Cloud works in general, and what the cost and agility benefits of Cloud are.

Top 5 AWS Certified Cloud Practitioner Exam (CLF-C02) Practice Questions & Dumps in 2024

As I have said before, Practice tests and exam dumps play an important role in not just passing the AWS Certified Cloud Practitioner certification (CLF-C02)  but also achieving a high score, which can truly set you apart from your competition. There are multiple benefits of going through practice tests and solving problems on an exam simulator before actual example. For example, it will help you find your strengths and weakness in advance so that you can understand your weaker areas better. They also help you to develop speed and accuracy, which is key to pass the time-bound exam like the AWS Certified Cloud Practitioner (CLF-C02) certification from Amazon.

Top 5 Courses to learn Quarkus and Micronaut for Java Programmers in 2024 - Best of Lot

Hello Java Programmers, Microservices is quickly becoming standard way to build and deploy Java application on Cloud and that's why its very important for Java programmers to learn about popular Microservice development frameworks in Java. If you want to create Microservices in Java and want to explore Microservices frameworks like DropWizard, MicroNaut, and Quarkus, you have come to the right place. In the past, I have shared the best Microsercies courses with Spring Boot and Spring Cloud, and today, I will share the best online lessons to learn Dropwizard and Micronauts. These are the best online courses and tutorials you can get to know this helpful technology. Unfortunately, not many online courses are available, but API docs and guides are also handy; along with these courses, you can read them.

10 Examples of Java Regular Expression Special or Meta Characters

Hello guys, If you want to learn regular expression better in Java, you must remember meaning of all the special characters. They are the one, which makes a regular expression complex, but if you know and understand them then you can easily understand at least 50% of regular expression you encountered in Java applications. They are also known as reserved characters. In a regular expression, a character denotes itself unless it is one of the special character. For example, regular expression "a" will match letter "a" and return true, if input is "a" and false otherwise, but "a*" will not match input "a*", instead it will match any input which contains just e.g. "a", "aaa", or "aaaa". It will also match with empty String because * means zero or more times, so a* means "a" appearing zero or more times, as shown below:

Top 5 Courses to Learn Python 3 in 2024 - Best of Lot

If you are a Programmer or a Computer Science graduate and thinking of learning Python in 2024, then you have come to the right place. In this article, I am going to share some of the best online courses to learn Python 3 in 2024. Python is one of the most popular programming languages, and it's used in many domains, like Web development, Automation, Data Science, Machine learning, etc. In recent years, Python has also become a default language for Data Science and Machine learning Projects, and that's another reason why many experienced programmers are learning Python in 2024.

Top 5 Free AWS Solution Architect Associate Certification (SAA-C03) Practice Tests, Mock Exams, and Dumps

Hello guys, It seems everyone is over the cloud nowadays. Wherever I go people talk about Cloud computing and cloud platforms like AWS, Azure, Google Cloud, Digital Ocean, etc. And, there is no better way to learn cloud than preparing for certifications. I know so many people who are preparing for the AWS solution Architect exam for learning AWS and that's why I have started sharing my tips for learning AWS and passing the AWS solution architect certification exam. You might have noticed a couple of my posts related to AWS certifications like in the past I shared best online courses to crack AWS solution architect associate exam. But, I have said this multiple times that without practice tests and mock exams, your preparation for AWS certification be it solution architect or cloud developer is not complete.

The 2024 React.js Developer RoadMap [UPDATED]

Hello guys, React.js or simply React is one of the best JavaScript libraries for developing front-end or GUI for web applications. It's also one of the essential skills for full-stack Java developers. Backed by Facebook, React JS, also known as just React is has grown by leaps and bounds in recent years and become the de-facto library for component-based GUI development. Though there are other front-end frameworks like Angular and Vue.js available, what sets React apart from others is maybe the fact that it just focuses on component-based GUI development and doesn't invade other areas.

Top 5 Course to Crack Azure Administrator Associate Certification Exam AZ-104 in 2024 - Best of Lot

Acquiring skills in Cloud computing is fast becoming an opportunity and asset since most companies are applying cloud technologies in all their operations or looking for ways to learn how to do that. This is why becoming certified as a Microsoft Azure Administrator is now a big step towards advancing one's carrier. With the current industry trend, it is safe to say learning how to create applications that have some if not all of their components hosted in the cloud has become a skill that is very high in demand. If you are preparing for Azure Administrator certification you need to pass AZ-104 exam by Microsoft. This is a completely online exam which you can give on any Microsoft exam center. In the past I have shared best online courses to prepare for AZ-900, AI-900, AZ-204, and AZ-305 exam and in this article, I am going to share best online courses you can take to crack the Azure Administrator certification exam AZ-104 in first attempt. 

10 Coding Best Practices Every Java Developer Should Know

Hello guys, as your experience grow,  your design, coding, refactoring and testing ability is the one which distinguish you from your competition. It's quite possible that your experience grows but none of these skills grow because you are doing using them frequently in your day job. To be honest, you are not alone. Many people who works in big Investment banks like Citibank, Barclays Capital, UBS, or JP Morgan, spend more times fixing bugs and making config change, deployment and support then actually writing code from scratch or writing unit tests. While we will go with all those skills in coming articles, in this article, I am going to share popular Java coding idioms which can improve your coding skills. 

Top 5 Course to Crack Microsoft Azure Developer Associate Certification Exam AZ-204 in 2024 - Best of Lot

Hello guys, Microsoft Azure a cloud-based service that serves as a framework for businesses to manage their services and applications, amongst other things that enable them to run a successful business. Microsoft Azure certifications are currently becoming some of the highest demanded certifications in the IT industry. Businesses that have a reason to influence cloud servers and have a high demand for various remote smart services from different locations are the ones using Microsoft Azure the most.

How to Crack Microsoft Azure Fundamentals (AZ-900) Cloud Certification in 2024 [UPDATED]

Cloud computing skills are in demand and companies are increasingly looking for people who know and worked in public cloud platforms like AWS, GCP, and Microsoft Azure. If you are looking to get started in Cloud Computing, particularly on the Microsoft Azure side then AZ-900 or Azure Fundamentals certification is probably the best way to start. You will not only learn about Azure but also learn essential Cloud Computing fundamentals like storage, network, compute, and memory among all things. You will also learn about things like IaaS (Infrastructure as a Service), PaaS (Platform as a Service) and SaaS (Software as a Service), Sales, and Pricing, which are very important for both technical and non-technical IT professionals.

Is Joshua Bloch's Effective Java Still Valid? Is it worth it?

Effective Java is probably one of the most read books on Java technology and has been regarded by many programmers as the best book for Java developers. Though, recently many Java programmers have asked me whether Effective Java is still relevant in the era of Java 21? Or is there any better book on the same topic. The question is logical because It's been quite some time since the 3rd edition of Effective Java released and also the most recent Java 10 to Java 21 has changed how you code Java. Many idioms and design patterns of good old days now become redundant and can be done easily with the new Java features and feature, but does that mean "Effective Java" is not relevant now? Well, No, not at all. Effective Java is still relevant and a must-read for Java programmers due to several reasons, which you will see in this article.

Why Java Developer Should Learn Maven or Gradle in 2024?

Hello guys, being a Java blogger, many Java developers ask me questions like "I am learning Java, should I also learn Maven or Gradle?" or "Is it mandatory to learn Maven to get a job as a Java developer", "Should I learn Maven or Gradle, which one is better for future?" and the less common one "Why should I learn Maven or Gradle as a Java developer?".  In the past, I have shared the best courses to learn Maven for Java developers and some useful Gradle books and courses,  as well as answered questions around Maven vs Gradle and I will try to answer these questions in this article and assert the importance of Maven and Gradle as a build tool for Java Developer.  Along the way, I will also share useful resources to learn both Maven and Gradle for Java developers. 

How to Crack Microsoft Azure Solutions Architect Expert Certification Exam AZ-304 in 2024?

Hello guys, based on the new Azure role-based certification path, the Microsoft AZ-305 exam is the primary step towards becoming a Microsoft Certified Azure Solutions Architect. Earlier, I shared a few tips, courses, and practice tests to pass the AZ 104, AZ-900, or Microsoft Azure Fundamentals exam. Today, I'll talk about AZ-305 or Azure Solution Architect certification exam. This Exam requires experienced candidates with skills in Azure development, Azure administration, and DevOps. In addition, they must have expert-level skills in at least one of these areas. However, observing these requirements, some of you may think that it would be completely impossible to pass a Microsoft AZ-305 Architect Technologies exam preparation.

Top 5 Courses to Crack Azure Solutions Architect Expert Certification (AZ 305) Exam in 2024 [UPDATED]

The Azure cloud solutions from Microsoft are quickly becoming the go-to Cloud platform for many companies. While AWS leads the retail space, and Google Cloud Platform is still in the middle, Microsoft's Azure has emerged as a winner by attracting both big and small companies into its Cloud platform. This means the demand for people familiar with Azure architecture and Azure Cloud products and services is rising and providing some excellent career opportunities for Developers and DevOps who are interested in Cloud Computing. It's also very rewarding; the average salary for Azure Solution Architect in silicon valley is around 145,000 USD, which is highly competitive. It's one of the highest-paying technology jobs.  In short, Azure is currently presenting an excellent opportunity for senior developers.

Top 5 Microsoft Azure Fundamentals Practice Tests to Crack AZ-900 Certification Exam in 2024 - Best of Lot

Hello there, if you are preparing for Microsoft Azure Fundamentals or AZ-900 certification exam and looking for some practice test to check your knowledge, then you have come to the right place. Earlier, I have shared the best AZ-900 Online Courses and In this article, I am going to list down some of the best practice tests you can take to pass the Microsoft Azure Fundamentals (AZ-900) exam.  This exam focuses on essential cloud concepts like IaaS, PaaS, SaaS, and Azure Core services like geo availability, storage, network, compute services, security, pricing, and billing. This is actually one of the easiest Microsoft Azure cloud certifications, much like Amazon's AWS Cloud Practitioner certification and you can easily pass this exam even if you have never worked in any cloud platforms like AWS, Azure, or GCP.

Top 10 Microsoft Azure Certifications to Take in 2024 - Best of Lot

Hello guys, if you are aiming to become an Azure certified professional and looking for top 10 Azure certifications then you have come to the right place. Earlier, I have shared many best AWS certifications and many free courses to learn AWS, GCP, and today I am going to share the top 10 Azure certifications you can aim for in 2024. Cloud computing technology is growing almost faster than any other industry and in fact, the growth has increased by 17% in 2024 compared to the last year, and that because of many facts like the tremendous increase in SaaS companies as well as the power you get compared to what you paid for made a lot of people thinking to use the cloud to store their websites and running their businesses.

The 2024 AI Developer RoadMap

Hello guys, if you want to learn Artificial Intelligence, Generative AI, and Prompt Engineering then you are thinking on right direction. More and more companies are asking their workforce to learn Generative AI and it's only going to increase. AI Integration will be next big thing when you have to add AI capabilities to existing application to enhance them and that's why learning AI skills in 2024 is a great idea. But question comes how? Well, don't worry, I will tell you. In the past, I have shared best AI courses and best courses to learn ChatGPT, one of the most popular Generative AI example and LLM and in this article I will teach you step by step what skills you need to master AI development and integration.

Review - Is Coursera's Python 3 Programming Specialization Worth it in 2024?

Hello guys, In the ever-evolving realm of programming languages, Python stands as a versatile and in-demand tool, powering applications across diverse domains, from web development to data science and artificial intelligence. As aspiring programmers and seasoned developers alike seek effective ways to master Python, Coursera's Python 3 Programming Specialization emerges as a potential beacon, promising a structured and comprehensive journey through the intricacies of this powerful language. While Coursera has many great Python courses and certifications like Google's Python for IT Automation and the world famous Python for Everybody certification, this Python 3 specialization from University of Michigan is certainly worth it for its comprehensive coverage, engaging explanation and well structured content.

Top 10 Golang Project Ideas for Beginners and Experienced Developers

Hello guys, if you want to learn Golang in 2024 then there is no better way then buidling projects. In my 20 years of programming career I have learned many programming langauge by following this method but its important to choose the right kind of projects to build. Because, if you choose the too tough and complex project then you will fail and lose interest while if you choose trivial projects then you will not enjoy and your learning will not grow, hence I am going to share right kind of Golang projects you can build in 2024 to learn Go programming language but, before we get to some of the best Golang project ideas for beginners, let me tell you what Golang really is. Golang or simply Go is basically an open-source programming language that is focused on simplicity, efficiency, and reliability. It was originally designed by Google way back in 2007. 

How to create a React application using Redux hooks? Example Tutorial

Hello guys, Redux is one of the most popular state management library. It is often used with React apps that are huge in size and state are shared among multiple components. Redux is a complex library to understand and even more complex to implement. It was even more complex and complicated before the introduction of react-redux hooks. Earlier, the connect method provided by Redux was used to connect React with the Redux store. Using connect method with other methods such as mapstatetoprops was complicated. But with the introduction of react-redux hooks, it is easy to use redux with redux. In this article, we will discuss what are react-redux hooks and how to use them with React.

Top 7 AWS Solution Architect Associate Certification Practice Test and SAA-C03 Exam Dumps in 2024

Hello guys, if you are preparing for the AWS Certified Solutions Architect Associate (SAA-C03 and SAA-C03) certification exam and looking for challenging practice tests to assess your preparation then you have come to the right place. In this article, I am going to share the best Practice test and questions to prepare for the AWS Solution Architect Associate  (SAA-C03) exam from Udemy, Whizlabs, and other portals, totaling more than 2000+ practice questions. These practice tests are created by AWS experts and certified developers and Solution architects like Stephane Maarek and Cloud guru Ryan Kroonenberg. Mock simulators play an important role in any certification and the AWS Solution Architect Associate-level exam is no different.

The 2024 Database Administrator RoadMap

The database administrator is one of the most in-demand jobs nowadays since companies need someone who manages and maintains the infrastructure of their database where they store all their sensitive data. It is expected to grow eight percent from 2020 to 2030, with more than 13,000 opening jobs every year. This article will show you the roadmap to becoming a database administrator.