Remove Duplicate Characters from a String in Java | Must-Know Logic for QA & Coding Interviews |SDET

Publicado el: 27 julio 2025
en el canal de: Think Type Smile

2,316

In this video, we’ll solve one of the most commonly asked string interview questions:
👉 Remove duplicate characters from a given string.

🧩 Example:
Input: currency
Output: cureny

🔹 Topics Covered:
Problem understanding and logic explanation
Step-by-step dry run
Java code using StringBuilder and Set
Handling case sensitivity
Optimized approach for beginners and interviews
Time and Space Complexity explanation

📘 Key Takeaways:
✔️ String and Set concept in Java
✔️ Removing repeated characters efficiently
✔️ Commonly asked in QA and Automation interviews

🏷️ Tags:
#javastring #removeduplicates #codinginterview #javabasics #QATraining #automationengineering #StringLogic #qatraining #qaengineer

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