messagebox.java

包括了5个基本排序过程

import java.awt.event.ActionEvent;
import javax.swing.*;

import java.awt.event.*;
import java.awt.*;
public class MessageBox extends JFrame implements ActionListener
{
	public MessageBox(String s1,String s2)
	{
		super(s1);
		this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		setSize(300,200);
		Dimension tmp=getToolkit().getScreenSize();
		setLocation((tmp.width-300)/2,(tmp.height-200)/2);
		this.setResizable(false);
		JLabel label=new JLabel(s2,SwingConstants.CENTER);
		label.setFont(new Font("\u9ed1\u4f53", Font.BOLD, 18));
		JButton button=new JButton("确定");
		button.addActionListener(this);
		Container content=getContentPane();
		JPanel panel=new JPanel();
		panel.setLayout(new GridLayout(2,3));
		panel.add(new JLabel());
		panel.add(button);
		panel.add(new JLabel());
		panel.add(new JLabel());
		panel.add(new JLabel());
		content.add(label,BorderLayout.CENTER);
		content.add(panel,BorderLayout.SOUTH);
		
	}
	public MessageBox()
	{
		super();
	}

	public void actionPerformed(ActionEvent e)
	{
		
		if (e.getActionCommand().equals("确定"))
		{
			dispose();
		}
		else
		{
			System.out.println("系统错误");
			System.exit(0);
			
		}
	}
}