Cinema/MyFrame.java

package com.wjr.view;

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

import javax.swing.JFrame;

public class MyFrame extends JFrame{
	
	private double screenWidth=Toolkit.getDefaultToolkit().getScreenSize().getWidth();
	private double screenHeight=Toolkit.getDefaultToolkit().getScreenSize().getHeight();
	
	public MyFrame(String title,int width,int heigth) {
		super(title);
		
		setSize(width,heigth);
		int x=(int)(screenWidth-width)/2;
		int y=(int)(screenHeight-heigth)/2;
		setLocation(x,y);
		
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
	}
}