showimage.java

Java语言

import java.awt.*;
import java.awt.event.*;
public class ShowImage extends Frame{
   public ShowImage(String s){
      super(s);
      this.addWindowListener(new WindowAdapter(){
        public void windowClosing(WindowEvent e){
		dispose();
		System.exit(0);
      }});
   }
   public static void main(String args[]){
	MyPanel myc1=new MyPanel();
        ShowImage frm=new ShowImage("Show Image");
	frm.setVisible(true);
	frm.setSize(300,300);
        frm.setLayout(new GridLayout(1,1));
	frm.add(myc1);
   }
   
}
class MyPanel extends Panel{
   Toolkit tk;
   Image img;
   MyPanel(){
      setSize(200,200);
      setBackground(Color.blue);
      tk=getToolkit();
      img=tk.getImage("A1.JPG");
   }  
   public void paint(Graphics g){
      g.drawImage(img,20,20,160,160,this);
 //		g.drawString("This is a test String!",20,20);
   }
}