劉永記

1. public class ch03  //類別
   
2. {
   
3.   public static void main (String arg[]) //方法
   
4.   {
   
5.     int x=9,y=4 ;
   
6.     System.out.println ("偷偷跟你說當x的值為"+x+"而y值為"+y+"的時候...");
   
7.     System.out.println ("x+y="+(x+y));
   
8.     System.out.println ("x-y="+(x-y));
   
9.     System.out.println ("x*y="+(x*y));
   
10.     System.out.println ("x/y="+(x/y));
    
11.     System.out.println ("x%y="+(x%y));
    
12.   }
    
13. }

複製代碼