Generics in Java programming Why use generics? How to use generics for type safety Generics in the Java Collections Framework Examples of generic types in Java Raw types vs. generics Why use generics?

This post explains how to use classes in Java to build objects and organize your code. Also learn: constructors, static methods, and more!

Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.