大数java复习

package test;
import java.io.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        
         int num[]= {5650 ,4542 ,3554, 473 ,946, 4114 ,3871, 9073 ,90, 4329 ,
                    2758 ,7949 ,6113, 5659 ,5245, 7432, 3051, 4434, 6704 ,3594, 
                    9937 ,1173 ,6866 ,3397, 4759, 7557 ,3070 ,2287 ,1453, 9899 ,
                    1486 ,5722 ,3135 ,1170, 4014 ,5510, 5120, 729,2880, 9019 ,
                    2049 ,698, 4582, 4346, 4427, 646 ,9742 ,7340 ,1230, 7683 ,
                    5693, 7015, 6887, 7381, 4172, 4341, 2909, 2027, 7355, 5649 ,
                    6701, 6645, 1671, 5978 ,2704, 9926, 295, 3125, 3878, 6785 ,
                    2066 ,4247, 4800 ,1578, 6652, 4616, 1113 ,6205, 3264, 2915 ,
                    3966, 5291, 2904, 1285, 2193, 1428 ,2265 ,8730, 9436, 7074 ,
                    689 ,5510 ,8243, 6114, 337, 4096, 8199, 7313 ,3685, 211};
         BigInteger sum,tmp;
         sum=BigInteger.valueOf(1);
         
         for(int i=0;i<num.length;i++)
         {
             tmp=BigInteger.valueOf(num[i]);
             sum=sum.multiply(tmp);
         }
         System.out.println(sum);
    }
}

112142221918653666702449201125076321480831896827506427440731023870278025729017605653056978504625081950967446934475613782859722081655293509714201067451491601144000940085173776751705443818861349991600968912829674368417898694508188364854988187881792613763161458365648071883922054736261940944120399031297726871056069331318210560000000000000000000000000000000