Find Repeating & Non-Repeating Character in String using Java Stream API | Java Coding Interview
🔥 In this video we solve one of the most frequently asked Java
coding interview problems — Find Both Repeating AND Non-Repeating
Characters in a String using Java Stream API! Two problems solved
in one single video!
✅ Problem statement explained clearly
✅ Find ALL repeating characters using Stream API
✅ Find ALL non-repeating characters using Stream API
✅ Using Collectors.groupingBy() to group characters
✅ Using Collectors.counting() to count occurrences
✅ Using filter() to separate repeating vs non-repeating
✅ Finding FIRST non-repeating character using findFirst()
✅ Clean modern Java 8 solution with full explanation
✅ Time complexity and space complexity analysis
💡 This is one of the most commonly asked string manipulation
problems in Java interviews at companies like Amazon, Google,
Microsoft, TCS, Infosys and Wipro! Knowing how to solve it
using Stream API shows you are a modern Java developer!
🎯 This video is perfect for:
👉 Java developers preparing for coding interviews
👉 Developers learning Java 8 Stream API
👉 Students practicing string problems in Java
👉 Anyone who wants clean functional Java solutions
👍 If this video helped you, please LIKE, SHARE & SUBSCRIBE
for more Java Stream API coding problems. Drop your solution
or questions in the COMMENTS — we read every single one!
#Java #StreamAPI #JavaInterview #JavaCodingInterview #Java8
#JavaStreams #CodingInterview #JavaProgramming #LearnJava
#JavaDeveloper
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