swing中的messageBox測試

import java.util.*;

import java.io.*;

import javax.swing.JOptionPane;

class Test //對話框測試

{

public static void main(String[] args) 

{

JOptionPane.showMessageDialog(null,"輸入錯誤類型！","錯誤",JOptionPane.ERROR_MESSAGE);

JOptionPane.showMessageDialog(null,"恭喜，登錄成功！","提醒",JOptionPane.INFORMATION_MESSAGE);

JOptionPane.showMessageDialog(null,"系統泄漏啦！","警告",JOptionPane.WARNING_MESSAGE);

JOptionPane.showMessageDialog(null,"1+1=？","提問",JOptionPane.QUESTION_MESSAGE);

 

}

 

}