卓炘暘

1. import java.util.Scanner;
   
2. 
   
3. public class Ch01
   
4. 
   
5. {
   
6.         public static void main(String[] args)
   
7.         {
   
8.                 String str1="dog", str2="cat";
   
9.                 int a=3, b=5;
   
10.                 double total=21.3568;
    
11.                 System.out.printf(" There are %d %ss and %d %Ss totally weigh %.2f pounds.",a,str1,b,str2,total);
    
12. 
    
13. 
    
14.         }
    
15. 
    
16. }

複製代碼