The decorator design pattern is a structural design pattern that is used for extending the functionality of existing classes without much of a change in the codebase. You can also look at this design pattern as a wrapper around the existing functionality. Let’s dive into the...
First things First, Why should I really care about Lambdas?:...
The Java hashmap is a widely used data structure! Won't it be awesome if you knew how it actually works behind the scenes? ...
The way JAVA data-structures is it is not always easy to sort HashMaps. So here is a piece of code I frequently use to sort HashMap of type String, Long in JAVA...
Multi-threading is not always super easy to implement. There is Runnable, Thread and all sort of frameworks/packages but we love the executors class to run our code in threads. ...