HDOJ Problem 1000 Java兑现

HDOJ Problem 1000 Java实现
import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while(in.hasNextInt()){    
            int a = in.nextInt();
            int b = in.nextInt();
            int c = sum(a,b);
            System.out.println(c);
        }
    }
    public static int sum(int a,int b){
        return a+b;
    }
}