Скачать или смотреть Remove All Duplicate Char From A String | Java Coding Interview Question

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✂️ In this video, we solve the Java interview question: Remove all duplicate characters from a string.
👉 Using for loop + indexOf(), we check each character and add it to the result string only if it appears for the first time. This ensures duplicates are removed while preserving order.
✅ Steps covered in the video:
1. Take input string
2. Initialize an empty result string
3. Loop through each character using for loop
4. Check if character already exists in result using indexOf()
5. If not found, add it to result string

💻 Perfect for Java interview prep, coding practice & beginners learning string manipulation.
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