Java----定义一个窗口

package stu1;
import javax.swing.*;
import java.awt.*;
public class window {
    public static void main(String[] args){

        //定义一个窗口对象windows1
        JFrame windows1 = new JFrame("windows1");
        JFrame windows2 = new JFrame("windows2");

        Container container1 = windows1.getContentPane();
        //设置窗体背景颜色
        container1.setBackground(Color.darkGray);

        //设置窗体的显示坐标及窗体大小
        windows1.setBounds(60,100,500,500);
        windows2.setBounds(300,100,500,500);

        //设置窗口是否可以调整大小
        windows1.setResizable(true);
        windows2.setResizable(false);
        //设置窗口是否可见
        windows1.setVisible(true);
        windows2.setVisible(true);
        //隐藏当前窗口
        windows2.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        //结束应用进程
        windows1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}