border.java

来自「java程序设计 清华出版社 孙燮华老师编写的程序源代码」· Java 代码 · 共 20 行

// border.java
import java.awt.*;
import javax.swing.*;

public class border extends Frame{
  public border(){
    setLayout(new BorderLayout());
    add(new JButton("North"),BorderLayout.NORTH);
    add(new JButton("South"),BorderLayout.SOUTH);
    add(new JButton("East"),BorderLayout.EAST);
    add(new JButton("West"),BorderLayout.WEST);
    add(new JButton("Center"),BorderLayout.CENTER);
    setSize(250,150);
    setVisible(true);
  }
  public static void main(String args[]){
    border myBorder=new border();
  }
}