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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 ...

A Collection in simple terms means when a group of similar things, often a group created by someone is known as a collection. A collection when collected works like a container – it groups multiple ...

Java is one of the most highly sought after programming languages, not to mention one of the two official languages for Android development. In this Java beginner course, we’ll go over the basics to ...

Project Lombok is a small library that can be used to reduce the amount of boilerplate Java code that is commonly written for Java classes. Project Lombok does this via annotations that can be added ...

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...