📅  最后修改于: 2022-03-11 14:52:02.835000             🧑  作者: Mango
import javax.swing.*;
class main {
public static void main(String args[]){
JFrame frame = new JFrame("Hello World");
frame.setSize(300,300)
JButton button = new JButton("You should totally click me");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().add(button); // Adds Button to content pane of frame
frame.setVisible(true);
}
}