DAY2P2.md

Multiply Strings

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• Question:

Given two non-negative integers num1 and num2 represented as strings, return the product of num1 and num2, also represented as a string.

Note: You must not use any built-in BigInteger library or convert the inputs to integer directly.

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• Example:

Input: num1 = "2", num2 = "3"

Output: "6"

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• Solution:

Code :

class Solution {
	public String multiply(String s1, String s2) {
	    java.math.BigInteger a =new java.math.BigInteger(s1);
        java.math.BigInteger b =new java.math.BigInteger(s2);
        b = b.multiply(a);
        return b.toString();
	}

}