Java大数中的小数 HDU1753

 1 import java.math.*;
 2 import java.util.*;
 3 
 4 public class Main
 5 {
 6     public static void main(String[] args)
 7     {
 8         Scanner cin=new Scanner(System.in);
 9         BigDecimal a;
10         BigDecimal b;
11         while(cin.hasNext())
12         {
13             a=cin.nextBigDecimal();
14             b=cin.nextBigDecimal();
15             a=a.add(b);
16             System.out.println(a.stripTrailingZeros().toPlainString() );
17         }
18     }
19 }