java布局——边界布局

<span style="font-size:24px;">/*
* 边界布局实现
* */
package swing;
import java.awt.*;
import javax.swing.*;

public class Test2 extends JFrame{

JButton jb1,jb2,jb3,jb4,jb5;
public static void main(String[] args) {
// TODO Auto-generated method stub
Test2 test2=new Test2();
}

public Test2()
{
jb1=new JButton("东部");
jb2=new JButton("南部");
jb3=new JButton("西部");
jb4=new JButton("北部");
jb5=new JButton("中部");
this.add(jb1,BorderLayout.EAST);
this.add(jb2,BorderLayout.SOUTH);
this.add(jb3,BorderLayout.WEST);
this.add(jb4,BorderLayout.NORTH);
this.add(jb5,BorderLayout.CENTER);

this.setSize(300,300);
this.setTitle("边界布局");

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setLocation(400, 200);

this.setVisible(true);
}

}</span>