package com.jia.lesson;

import java.awt.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class TestPanel {
    public static void main(String[] args) {
        Frame frame = new Frame();
        Panel panel = new Panel();

        //设置布局
        frame.setLayout(null);

        //设置坐标和背景颜色
        frame.setBounds(200, 200, 300, 300);
        frame.setBackground(new Color(124, 190, 193));

        //panel设置坐标，相对于frame
        panel.setBounds(100, 100, 200, 200);
        panel.setBackground(new Color(193, 88, 36));

        //让面板在布局上显示
        frame.add(panel);

        //设置可见性
        frame.setVisible(true);

        //监听事件，监听窗口关闭事件  System.exit(0)
        //适配器模式：
        frame.addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }
}