Community driven content discussing all aspects of software development from DevOps to design patterns. Java developers have long desired the ability to quickly initialize contents of a List or Set.

Community driven content discussing all aspects of software development from DevOps to design patterns. There are several ways to find duplicates in a Java List, array or other collection class. The ...

Do you need to know how to sort Java objects in a collection, array, or map? Here's how to use the Comparable and Comparator interfaces and avoid ClassCastExceptions. Programmers frequently need to ...

But how many developers understand how HashMap works internally? A few days ago, I read a lot of the source code for ...

This tutorial is an introduction to socket programming in Java, starting with a simple client-server example demonstrating the basic features of Java I/O. You’ll be introduced to both the original ...