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The awt predefines a number of colors including:
By using the color constructor we can expand our program to select not only a random rectangle but also a random color for the rectangle. Here's the code: //Draw a randomly colored rectangle import java.applet.Applet; import java.awt.*; public class Mondrian7 extends Applet { int Rect, Rect, RectTop, RectLeft, Applet, Applet; Color RectColor; public void init() { Dimension d = size(); Applet = d.; Applet = d.; RectTop = Randomize(Applet); RectLeft= Randomize(Applet); Rect = Randomize(Applet - RectTop); Rect = Randomize(Applet - RectLeft); RectColor = new Color(Randomize(255),Randomize(255),Randomize(255)); repaint(); } public void paint(Graphics g) { // g.setBackground(Color.white); g.setColor(RectColor); g.drawRect(0, 0, Applet-1, Applet-1); g.fillRect(RectLeft, RectTop, Rect-1, Rect-1); } private int Randomize(int range) { double rawResult; rawResult = Math.random(); return (int) (rawResult * range); } }
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