李允軒

1. public class ch66
   
2. {
   
3.   public static void main(String args[])
   
4.   {
   
5.     String str1="dog";
   
6.     String str2="cat";
   
7.     int a=3, b=5;
   
8.     System.out.printf("There are %d %ss and %d %Ss.",a,str1,b,str2);
   
9.   }
   
10. }

複製代碼