Inner Class Nested Class Confusion in Java
Hello everyone, For a very long time, I could not really figure out the inner class or nested class stuff. In this post I’ll try to understand and write abo...
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Next Permutation Algorithm in Java
In this post, I will tell you how to write the next permutation algorithm in Java. I’ve encountered this problem in one of the hackerrank challenge.. Java i...
Introduction to Data Structures and Algorithms
In this post, I’ll talk about the DS and Algorithms topic in general. These topics are the core of the “Computer Science”, so they need to be learn carefully...
BigInteger Recursive Combination Method
Hello guys, This post will be small. I just encounter a problem where I need to find combination of a number and results would be big that cannot be even st...
How to sort Java Map Collection
Today, I was dealing with another question, and I needed to sort a HashMap in Java. I realized that I’ve niether tried nor needed sorting a map in Java!. The...