java实现大数加法(BigDecimal)的实例代码

public class p1036
{
    public static void main(String[] args)
    {
        String s1,s2;
        Scanner cin = new Scanner(System.in);        
        s1 = cin.next();
        s2 = cin.next();
        BigDecimal b1 = new BigDecimal(s1);
        BigDecimal b2 = new BigDecimal(s2);
        System.out.println(b1.add(b2));
        cin.close();
    }
}