backgrounddemo.java

来自「java2的应用软件」· Java 代码 · 共 39 行

import java.awt.*;
import java.util.*;
import java.net.*;
class myFrame extends Frame
{
  Image bg;
  Button bt;
  URL pos;
  public myFrame()
  {
    Panel p1,p2,p3,p4;
    setLayout(new BorderLayout());
    p1=new Panel();
    p2=new Panel();
    p3=new Panel();
    p4=new Panel();
    bt=new Button("Click Me");
    p1.setBackground(Color.BLUE);
    p2.setBackground(Color.RED);
    p3.setBackground(Color.YELLOW);
    p4.setBackground(Color.GRAY);
    setSize(400,300);
    add(p1,BorderLayout.CENTER);
    add(p2,BorderLayout.WEST);
    p1.setLayout(new GridLayout(2,1));
    p1.add(p3);
    p1.add(p4);
    p2.add(bt);
    show();
   }
 }
 public class BackgroundDemo
 {
   public static void main(String args[])
   {
      new myFrame();
   }
 }