Use Java assertions to test your assumptions about program correctness and check them in your code.

Using generics results in more robust code and avoids ClassCastExceptions in your Java programs. This in-depth tutorial introduces you to generics and their types and methods.

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

This post explains how to use loops in Java. Learn for loops, while loops, do while, break, and continue. All without going loopy!

When building secure Java applications, it's important to make sure there are no plain text passwords anywhere in the code base.