Top 10 Udemy Courses You can Buy in Black Friday and Cyber Monday Sale

Hello guys, Udemy is running the biggest sale of the year. It's actually a good time to buy some quality courses as you won't get another chance to buy the course at a price as low as $9.9 but the big question which courses should you buy? Well, I always buy courses from the reputed instructor and something which teach an evergreen and in-demand skill like Java, Python, Microservices, Docker, Kubernetes, and AWS. I generally buy a lot of courses in Udemy sales and then access them whenever I need them. Though, I must warn you Udemy is addictive and I often buy more courses than I need, so beware of that and buy courses which you need now or in near future.  

Top 5 Courses to Crack Salesforce Administrator (CRT-101) Certification in 2021 - Best of Lot

Hello guys, if you are preparing for Salesforce Administrator (CRT - 101) certification and looking for the best online courses then you have come to the right place. Earlier, I have shared the best Salesforce developer and App Builder courses and in this article, I am going to share the best Salesforce Administrator courses you can join to crack this in-demand certification in 2021. If you follow Cloud Computing trends then there is a good chance that you might have heard about popular Salesforce certifications like the Salesforce Certified Administrator program (CRT-101). There is a great demand for certified Salesforce administrator due to the immense popularity of Salesforce in cloud-based CRM.

How to write Thread-Safe Code in Java

thread-safety or thread-safe code in Java refers to code which can safely be used or shared in concurrent or multi-threading environment and they will behave as expected. any code, class, or object which can behave differently from its contract on the concurrent environment is not thread-safe. thread-safety is one of the risks introduced by using threads in Java and I have seen java programmers and developers struggling to write thread-safe code or just understanding what is thread-safe code and what is not?

Top 5 Courses to Learn Microsoft Power BI in 2021 - Best of Lot

Hello guys, if you are learning Microsoft Power BI or keen to learn Microsoft Power BI and looking for the best Power BI online courses then you have come to the right place. In the past, I have shared the best tableau course and online courses to learn QlikView/Qliksense, and today I am going to share the best courses to learn Microsoft Power BI in 2021. This is the world of Data and any organization which has the right set of data has a competitive advantage over others, but data alone is of no use unless you can analyze and visualize it to find useful insights to grow the business. 

Difference between a Thread and an Executor in Java

Even though both Thread and Executor, both are used to execute some code in parallel, there are some key differences between them. The main difference between a Thread and an Executor in Java is that it later provides a thread pool in Java. Along with several concurrency utilities like CountDownLatch, CyclicBarrier, Semaphore, FutureTask, Callable interface, and Conditions, JDK 5 also introduced a built-in thread pool, which provides a set of working threads to run your code in parallel. Since creating, starting, and running a thread is a time-consuming and expensive operation, many Java applications create a spool of thread at start-up and leverage that for executing the task in parallel until Java introduced the built-in thread pool.

Top 5 Online Courses to Learn Puppet for DevOps - Best of Lot

Hello guys, If you are interested in DevOps then you might have heard about Puppet, one of the most popular infrastructure automation tools. If you want to learn Puppet and looking for the best Puppet courses then you have come to both right places. Earlier, I have shared the best DevOps courses and today I am going to share the 5 best Puppet courses you can join to learn this useful DevOps tool. It is no surprise that automation and orchestration make life very easy, be it a small organization or a large-scale industry that houses hundreds of servers and Puppet plays an important role in infrastructure automation like creating and configuring application servers.