90f58cc48d560019109f97d84330f2ed

此程序是对音像店的管理系统,测试播放音象等功能

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import org.omg.CORBA.Object;

/*  一个可以扩展的窗口    */

public class GeneralFrame extends JFrame {
	Container contentPane=this.getContentPane();
	GeneralFrame() {
		this("GeneralFrame");
	}
	GeneralFrame(String Title) {
		super(Title);
		setSize(getPreferredSize());
		Toolkit tkt = Toolkit.getDefaultToolkit();
		Dimension dim = tkt.getScreenSize();
		int x = dim.width / 4 - getSize().width / 4;
		int y = dim.height / 4 - getSize().height / 4;
		setLocation(x, y);
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				dispose();
				System.exit(0);
			}
		});
	} //End of GeneralFrame’Constructor

	public Dimension getPreferredSize() {
		return new Dimension(400, 300);
	}
	public void add(Component one){
	    contentPane.add(one);
	}
}