Java Program to Combine Two Strings | abba Pattern String Problem

Published: 10 May 2026
on channel: India Free Internship

120

🚀 In this video, you will learn how to solve the String Concatenation Problem in Java.

We are given two strings a and b, and we need to return the result in the format:

abba

Example:

Hi + Bye = HiByeByeHi

This is a very easy and important Java String program for beginners.

💻 Java Code:

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

public class Solution {

public static void main(String[] args) {
Scanner s = new Scanner(System.in);

String str = s.nextLine();
String str2 = s.nextLine();

System.out.print(str.concat(str2));
System.out.print(str2.concat(str));
}
}

📥 Sample Input:

Hi
Bye

📤 Output:

HiByeByeHi

🔥 Topics Covered:

Java String Concatenation
concat() Method in Java
Java Basic Programs
String Interview Questions
Java Coding Practice

📚 Java Basic Programs Playlist:
Java Basic Programs Playlist

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