colorex.java

这是《Java 2 简明教程(第2版)》一书配套的源代码。

 import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.*;

public class ColorEx extends Applet
{
 private char c[]={'D','y','n','a','m','i','c',' ','C','h','a','r'};
 private int red,green,blue;

 public void paint(Graphics g)
  {
   g.setFont(new Font("Courier New",0,24));
   for(int i=0;i<12;i++)
   {
    red=(int)(Math.random()*255);
    blue=(int)(Math.random()*255);
    green=(int)(Math.random()*255);
    Color c1=new Color(red,green,blue);
    g.setColor(c1);
    g.drawChars(c,i,1,20+i*20,40);
    }
  }
}