/* * Author: CHEN Yongyuan (Walter) from OOP(1007) * Date: 2022-05-01 * Description: This is the Main Frame class. */ import javax.swing.JFrame; public class MyFrame extends JFrame { public MyFrame() { setSize(400, 300); setTitle("MyFrame"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setLocationRelativeTo(null); setVisible(true); } }