e5_9.java

java 初学者学习实例

import java.awt.*;
import java.applet.*;
class Mycanvas extends Canvas {
	Mycanvas()
	{
		getSize();
	}
	public void paint(Graphics g)
	{
		g.setColor(Color.red);
		g.drawString("我在画布上写字呢！",6,30);
		g.drawString("我将来还能画画呢！",6,50);
	}
	public Dimension  getPreferredSize()
	{
		return new Dimension(160,200);
	}

}
public class E5_9 extends Applet
{
	Mycanvas mycanvas;
	public void init()
	{
		mycanvas = new Mycanvas();	
		add(mycanvas);
	}

}