GUI课堂作业

package cn.rushangw.lesson01;

import java.awt.*;

public class Demo {
    public static void main(String[] args) {
        Frame frame = new Frame("课堂练习");
        frame.setBackground(Color.black);
        frame.setBounds(300,400,400,300);
        frame.setVisible(true);
        frame.setLayout(new GridLayout(2,1));

        
        //4个面板
        Panel p1 = new Panel(new BorderLayout());
        Panel p2 = new Panel(new GridLayout(2,1));
        Panel p3 = new Panel(new BorderLayout());
        Panel p4 = new Panel(new GridLayout(2,2));

        p1.add(new Button(("East-1")),BorderLayout.EAST);
        p1.add(new Button(("West-1")),BorderLayout.WEST);

        p2.add(new Button("p2-btn-1"));
        p2.add(new Button("p2-btn-2"));

        p1.add(p2,BorderLayout.CENTER);

        p3.add(new Button(("East-2")),BorderLayout.EAST);
        p3.add(new Button(("West-2")),BorderLayout.WEST);

        for (int i = 0; i < 4; i++) {
            p4.add(new Button("p4-btn-"+i));
        }

        p3.add(p4,BorderLayout.CENTER);

        frame.add(p1);
        frame.add(p3);

    }
}



实现的效果