劉欽文

1. import java.util.Scanner;
   
2. public class Ch12 {
   
3.    public static void main(String[] args)
   
4.    {
   
5.            String str1="dog",st2="cat";
   
6.            int a=3,b=5;
   
7.            double total=21.2568;
   
8.            System.out.printf("There are %d %ss and %d %Ss totally weigh %.2fpounds.",a,str,b,sttr2,total);
   
9.    }
   
10.    }

複製代碼