starpainter.java

java随机生成图像

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

public class StarPainter extends Applet
{
	int starCount;
	
	public void init()
	{
		starCount = Integer.parseInt(getParameter("Stars"));
	}
	
	public void paint(Graphics g)
	{
		g.setColor(Color.black);
		for(int count=0; count<starCount; count++)
		{
			int xVaule = (int)(getSize().width*Math.random());
			int yVaule = (int)(getSize().height*Math.random());
			g.drawLine(xVaule,yVaule,xVaule,yVaule);
		}
	}
}