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Java Collection Iterators

With this article we will kick-off a new series where we will look deep into Java’s different collection solutions which are available in the version 1.8. For concrete implementations (like ArrayList or TreeSet) we will give you some use-cases where…

Git : A beginners Guide

In this article, I am going to talk about Git. I am writing this article to provide you some basic stuff about Git to start with.

Java Hashmap tutorial

Java HashMap is a HashTable based implementation of Map. This is the reason why the interviewer always asks for the difference between HashMap and HashTable. HashMap is mostly equated to HashTable except below two differences. HashMap is unsynchronized while HashTable…

this keyword in Java

What is this this is a keyword in Java. It can be used inside the method or constructor of a class. It(this) works as a reference to the current object, whose method or constructor is being invoked. This keyword can refer…

Order of execution

In this article, we will learn about the order of execution of blocks in Java. Different blocks and their order of execution in Java Class Static Block Init Block(Anonymous Block) Constructor /* * Here we will learn to see how the…