使用类Formatter格式化输出。

/*
n o w j a v a . c o m - 时代Java
*/

import java.util.Formatter;

import javax.swing.JOptionPane;


public class Main 

{

   public static void main(String[] args) 

   {

      // create Formatter and format output

      Formatter formatter = new Formatter();

      formatter.format("%d = %#o = %#X", 10, 10, 10);


      // display output in JOptionPane

      JOptionPane.showMessageDialog(null, formatter.toString());

   } 

}