黃永恩

1. import java.util.Scanner;
   
2. 
   
3. 
   
4. public class ch02 {
   
5.        
   
6.         public static void main(String args[]){
   
7.                 String str1="dog",str2="cat";
   
8.                 int a=3,b=5;
   
9.                 double total=21.3568;
   
10.                 System.out.printf("There are %d %ss and %d %Ss totally weigh %.2f pounds.",a,str1,b,str2,total);
    
11.         }
    
12. }

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