HDOJ 1002 --- 第一个java程序

 1 import java.math.*;

 2 import java.util.*;

 3 

 4 public class Main {

 5     public static void main(String[] args) {

 6         BigInteger a,b,c;

 7         int n;

 8         Scanner cin = new Scanner(System.in);

 9         n = cin.nextInt();

10         for (int i = 1; i <= n; i ++){

11             if (i != 1){

12                 System.out.println();

13             }

14             a = cin.nextBigInteger();

15             b = cin.nextBigInteger();

16             c = a.add(b);

17             System.out.println("Case "+i+":");

18             System.out.println(a+" + "+b+" = "+c);

19         }

20     }

21 }