Here you can find the source of firstLtSecond(BigInteger first, BigInteger second)
private static boolean firstLtSecond(BigInteger first, BigInteger second)
//package com.java2s; //License from project: Apache License import java.math.BigInteger; public class Main { private static boolean firstLtSecond(BigInteger first, BigInteger second) { return first.compareTo(second) == -1; }//from w w w .j a va2s .c om }