李柏穎

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

複製代碼