Java Stream distinct() Explained | Remove Duplicates Easily (With Examples)

Publicado em: 29 Janeiro 2026
no canal de: LogicStack

In this video, we’ll deep dive into the distinct() method in Java Streams.

The distinct() operation is used to remove duplicate elements from a stream and is commonly asked in Java and SDET interviews.

🔹 What you’ll learn in this video:
✔ What is distinct() in Java Streams
✔ How distinct() works internally
✔ Remove duplicate numbers using streams
✔ distinct() with custom objects
✔ Common mistakes and best practices
✔ Interview questions related to distinct()

Timestamps:
00:00 What you’ll learn
00:18 What is distinct() in Java Streams
00:34 Print unique numbers using distinct() | Example 1
01:30 How distinct() works internally
01:50 Get employee departments using distinct() | Example 2
04:40 Common mistakes & best practices
06:05 Summary

📌 Watch previous videos in the series:
✔ filter()
✔ map()
✔ forEach()
✔ collect()
✔ reduce()

If you’re preparing for Java interviews, SDET roles, or want to write clean, modern Java code, this video is for you.

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