Two Strings in Algorithm | HackerRank Programming Solutions | HackerRank Problem Solving Solutions in Java [💯Correct]

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of HackerRank, Algorithm Solutions of Problem Solving Section in Java. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for Two Strings in Java-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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Introduction To Algorithm

The word Algorithm means “a process or set of rules to be followed in calculations or other problem-solving operations”. Therefore Algorithm refers to a set of rules/instructions that step-by-step define how a work is to be executed upon in order to get the expected results. 

Advantages of Algorithms:

  • It is easy to understand.
  • Algorithm is a step-wise representation of a solution to a given problem.
  • In Algorithm the problem is broken down into smaller pieces or steps hence, it is easier for the programmer to convert it into an actual program.

Link for the ProblemTwo Strings– Hacker Rank Solution

Two Strings – Hacker Rank Solution


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Two Strings – Hacker Rank Solution
import java.util.Scanner;

 * @author Techno-RJ
public class TwoStrings {
	static String twoStrings(String s1, String s2) {
		int len = s1.length() < s2.length() ? s1.length() : s2.length();
		int charExist[] = new int[26];

		for (int i = 0; i < len; i++) {
			int index = s1.charAt(i) - 'a';
			charExist[index] = 1;
		for (int i = 0; i < len; i++) {
			int index = s2.charAt(i) - 'a';
			if (charExist[index] > 0)
				return "YES";

		return "NO";

	public static void main(String[] args) {
		Scanner in = new Scanner(;
		int q = in.nextInt();
		for (int a0 = 0; a0 < q; a0++) {
			String s1 =;
			String s2 =;
			String result = twoStrings(s1, s2);

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