JAVA AWT布局-BorderLayout

public class BorderLayoutDemo {
    public static void main(String[] args) {
        Frame frame = new Frame("测试边框布局");
        //frame.setBounds(100,100,600,600);
        frame.setLayout(new BorderLayout(30,40));
        frame.add(new Button("南侧按钮"),BorderLayout.SOUTH);
        frame.add(new Button("北侧按钮"),BorderLayout.NORTH);
        frame.add(new Button("停止程序"),BorderLayout.WEST);
        frame.add(new Button("重启程序"),BorderLayout.EAST);
        frame.add(new Button("启动程序"),BorderLayout.CENTER);
        frame.pack();//合适的大小
        frame.setVisible(true);
    }