UVa 10106 - Product

求两个数的的乘积

import java.util.*;import java.math.*;public class Main {    /**     * @param args the command line arguments     */    public static void main(String[] args) {        // TODO code application logic here        Scanner cin=new Scanner (System.in);        BigInteger sum;        BigInteger num;                while ( cin.hasNext() ) {        sum = BigInteger.ONE;        for ( int i = 1; i <= 2; ++i ) {            num = cin.nextBigInteger();            sum = sum.multiply(num);        }        System.out.println(sum);        }            }}