鄭宇崴

1. public class Ch51
   
2. {
   
3.         public static void main(String[] args)
   
4.         {
   
5.            String str1="dog",str2="cat";
   
6.            int a=3, b=5;
   
7.            double total=21.3568;
   
8.            System.out.printf("There are %d %ss and %d %Ss totally weigh %.2f pounds.",a,str1,b,str2,total);
   
9.         }
   
10. }

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