The Java Boutique: Java Tutorial: Java by Example: Java Basics

import java.awt.*; import java.applet.*; //This project demonstrates the basic drawing functions in Java //Predifined colors in Java are: black, blue, cyan, darkGray, gray, //green, lightGray, magenta, orange, pink, red, white and yellow public class Project1 extends Applet { public void paint (Graphics g) { //Paint Background black (300 x 300 Pixels) g.setColor(Color.black); g.fillRect(0,0,300,300); //Red square g.setColor(Color.red); g.fillRect(0,0,50,50); //Yellow circle g.setColor(Color.yellow); g.fillOval(100,10,100,100); //Orange oval g.setColor(Color.orange); g.fillOval(230,50,50,70); //Blue rectangle with round corners g.setColor(Color.blue); g.fillRoundRect(10,130,160,60,20,20); //Cyan colored triangle - not so easy //You can make polygons with more corners the same way g.setColor(Color.cyan); //set all x-coordinates of the corners int x[] = {20,80,140}; //set all y-coordinates of the corners int y[] = {270,200,270}; //the third parameter is the number of corners g.fillPolygon(x,y,3); //Green line g.setColor(Color.green); g.drawLine(0,0,300,300); //Some white text g.setColor(Color.white); g.drawString("This is some Text",180,250); } }