📅  最后修改于: 2022-03-11 14:52:37.858000             🧑  作者: Mango
package com.edu4java.minitennis1;
import javax.swing.JFrame;
public class Game {
public static void main(String[] args) {
JFrame frame = new JFrame("Mini Tennis");
frame.setSize(300, 300);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}