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HackerRank Java BigInteger problem solution

In this HackerRank java Biginteger problem in the java programming language, you have to add and multiply huge numbers! These numbers are so big that you can't contain them in any ordinary data type like a long integer. Use the power of Java's BigInteger class and solve this problem.

HackerRank Java BigInteger problem solution


HackerRank java BigInteger problem solution.

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        Scanner sc = new Scanner(System.in);
     BigInteger bi1 = new BigInteger(sc.next());
     BigInteger bi2 = new BigInteger(sc.next());

        BigInteger  bi3, bi4;
        bi3 = bi1.add(bi2);
        bi4 = bi1.multiply(bi2);
        System.out.println( bi3);
        System.out.println( bi4);
    }
}



Second solution

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        BigInteger a = sc.nextBigInteger();
        BigInteger b = sc.nextBigInteger();
        System.out.println(a.add(b));
        System.out.println(a.multiply(b));
    }
}


The solution in java8 programming.

import java.io.*;
import java.util.*;
import java.math.*;

public class Solution {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        BigInteger a = new BigInteger(scan.nextLine());
        BigInteger b = new BigInteger(scan.nextLine());
        System.out.println(a.add(b));
        System.out.println(a.multiply(b));
    }
}

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