張書涵

1. public class Ch01 {
   
2.         public static void main(String[] args) {
   
3.                 String str1="dog", str2="cat";
   
4.                 int a=3, b=5;
   
5.                 double weigh=21.3568;
   
6.                 System.out.printf("There are %d %ss and %d %Ss totally weigh %5.2f pounds.", a, str1, b, str2, weigh);
   
7. }
   
8. }

複製代碼