Here's how to make classes, fields, methods, constructors, and objects work together in your Java programs.

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

Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

Quickly learn how to use the Java ternary operator and see how this simple programming construct can help make your conditional logic, if statements and return statements clearer and more concise.

For example, the following Java class uses JOptionPane’s showInputDialog() method to prompt for user input, and then displays a message back to the user with the showMessageDialog() function.