Modern Programming Made Easy: Using Java, Scala, Groovy, and JavaScript

© Adam L. Davis 2020

A. L. DavisModern Programming Made Easyhttps://doi.org/10.1007/978-1-4842-5569-8_18

18. Swinging Graphics

Adam L. Davis¹ 

(1)

Oviedo, FL, USA

 

Swing is the Java API for building cross-platform GUIs (graphical user interfaces).

If you ever want to write a graphical program (a computer game, for example), you will have to use Swing, or JavaFX, or something similar.

There are many other libraries for doing graphics in Java, but Swing is built in.

Hello Window

The most basic concept of graphics is getting stuff onto the screen.

The easiest way to do this in Swing is to use JWindow, for example:

 1   import javax.swing.*; import java.awt.Graphics;

 2

 3   public class HelloWindow extends JWindow {

 4

 5           public HelloWindow() {

 6                    setSize(500, ...