Check if One String is a Rotation of Another | Java Interview Questions by AJ 🚀

Check if One String is a Rotation of Another | Java Interview Questions by AJ 🚀 String Rotation Program in Java | Java Coding Interview Prep by AJ The 1-Line Solution for String Rotation in Java | Java Interview Question isRotation 🎯 In this video, we solve a classic and very popular Java coding interview question: How to check if one string is a rotation of another string (often called the `isRotation` problem). For example, if String 1 is "ABCD" and String 2 is "CDAB", the program should return true because "CDAB" is a rotated version of "ABCD". This question tests your clever thinking and your knowledge of fundamental String manipulation in Java. It is frequently asked in technical interviews at companies like Amazon, TCS, Infosys, Wipro, and Cognizant. 🔍 What You Will Learn in This Video: 1️⃣ Understanding the String Rotation problem statement with examples. 2️⃣ The Brute Force approach vs. the Optimized Clever Trick (Concatenation Method). 3️⃣ How to implement the 1-line solution using `concat()` and `contains()`. 4️⃣ Crucial edge cases to handle (unequal lengths, empty strings). 5️⃣ Time and Space Complexity analysis (O(N) explanation). This tutorial is perfect for college students prepping for campus placements, software engineers looking for a job switch, or QA/SDET professionals preparing for coding automation rounds! 📌 Timestamps: 0:00 - Introduction & Problem Explanation 1:45 - The Clever Concatenation Logic (Whiteboard) 4:30 - Writing the `isRotation` Method in Java 7:15 - Handling Edge Cases (Length & Null checks) 9:45 - Time & Space Complexity Analysis 11:30 - Conclusion & Next Steps If you found this video helpful, please give it a LIKE 👍, SHARE it with your peers, and SUBSCRIBE for more coding tutorials! Drop a comment below if you want me to solve any other specific interview question. [string rotation program in java, check if one string is a rotation of another string, java interview questions, isrotation java program, java coding interview preparation, string manipulation in java, check string rotation java, java by aj, tcs coding interview questions, amazon interview preparation java, core java interview questions, sdet coding interview questions, java coding interview questions and answers, coding interview questions, java placement questions, data structures and algorithms java, most asked java interview questions] #JavaInterview #StringRotation #JavaProgramming #CodingInterview #JavaByAJ #PlacementPrep #DataStructures #JavaCoding #StringManipulation #JavaInterview #StringRotation #JavaProgramming #CodingInterview #JavaByAJ #PlacementPrep #JavaCoding #DataStructures #TechInterview