This post explains how to call a method in Java. Learn how to define methods, call them from other classes, and pass arguments!

This post explains how to use if statements in Java. Discover why flow control is so important, and how to use advanced keywords like "and" and "else." ...

There is a reason why Java method modifiers exist. If you call public methods internally and don't understand why, your developers could face major class issues.

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.