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

Learn how to use the Command pattern to encapsulate requests as objects that you can execute alone or in sequence in your Java programs.

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 for loops in Java. Including advanced tricks like nested for loops, break, continue, and labels!