How to avoid deadlock in Java?

How to avoid deadlock in Java? Is one of the popular Java interview question and flavor of the season for multi-threading, asked mostly at a senior level with lots of follow up questions. Even though the problem looks very basic but most of the Java developers get stuck once you start going deep. Interview questions start with, "What is a deadlock?" The answer is simple when two or more threads are waiting for each other to release the resource they need (lock) and get stuck for infinite time, the situation is called deadlock. It will only happen in the case of multitasking or multi-threading.

Top 5 Courses to Crack CompTIA Cloud+ (CV0-002) Certification Exam

Hello guys, As the tech world is moving faster towards cloud computing, the demand for certified cloud practitioners, programmers, and developers in increasing and Comp TIA certification can help you to become a certified Cloud developer. CompTIA Cloud+ is a certification that validates your knowledge as a professional in managing, configuring, and maintaining the cloud services as well as what cloud computing means from a business and technical perspective. Although it is not required CompTIA recommends that you have worked on any IT related services to jump into the exam so you have at least some basic understanding in the cloud and information technology.

How Thread, Code and Data Works Together- Story of a Multi-threading Program in Java

There are certain things, which you don't learn in academics or training class, you develop those understanding after few years of work experience, and then you realize, it was very basic, how come I had missed that all those years. Understanding of how a multi-threaded Java program executes is one of such things. You definitely have heard about threads, how to start a thread, how to stop a thread, definitions like its independent path of execution, all funky libraries to deal with inter-thread communication, yet when it comes to debugging a multithreaded Java program, you struggle.

How to Remove a Key, Value, or Entry from an HashMap in Java 8 - Example Tutorial

In the last article, I have shown how to remove key/value pairs from a map in Java-based upon some conditions like remove all entries where values are greater than some values. I have told you that you must use the Iterator's remove() method for removing mapping while iteration to avoid ConcurrentModificationException, but that's not required anymore in Java 8. From JDK 8 onwards, you can selectively remove mapping without iterating over Map. The JDK 8 API has added several new methods to existing interfaces e.g. java.util.Collection, java.util.Map, Comparator, etc because the interface can now contain concrete methods in the form of static and default methods.

Top 5 Courses to Crack CompTIA Security+ Certification (SY0–501) in 2020 - Best of Lot

Hello guys, the CompTIA Security+ certification aimed to be for people who are a beginner in security but at least have some fundamentals in IT in general and you will learn some fundamentals in security such as SQL injection, malware, zero-day vulnerabilities, and much more. Having a certification such as CompTIA Security+ on your resume is a plus because if you are thinking to have a job to let’s say in an IT field.

Top 5 Courses to become full stack Python Developer in 2020 - Best of Lot

Hello guys, If you are a Python programmer and looking to become a full-stack developer using Python programming language then you have come to the right place. In this article, I am going to share 5 best online courses you can join to become a full-stack Python developer in 2020. There is a huge demand for the full-stack developers and there are not many with Python skills, which means a huge opportunity for Python developers.  The full-stack web development is an extended-term that covers different stages of software development like coding, project management, front-end also the back-end technologies, database management systems, and much more.