Java 8 vs Java 11 vs Java 17 vs Java 21 | Java Features in Detail
#java
#JavaProgramming
#JavaFeatures
0:00 Introduction
2:00 Java 8 Features
2:10 Lambda Expressions
3:10 Functional Interfaces
4:00 Default & Static Methods in Interfaces
5:20 Stream API
6:15 Optional Class
7:00 Date & Time API (java.time)
8:10 Method References
18:45 forEach()
25:30 SAM Interface
29:43 Map vs FlatMap
36:33 Predicate
41:11 Java 8 Features with Programming Examples
1:04:00 Java 11 Features
1:21:28 Java 11 vs Java 17 Changes
1:24:00 Java 17 Features
1:34:45 Java 21 Features
1:36:30 Virtual Threads (Project Loom)
1:38:00 Structured Concurrency
1:58:10 Java 8 vs Java 11 vs Java 17 vs Java 21 Comparison
2:04:30 Conclusion
In this video, we explore Java 8, Java 11, Java 17, and Java 21 features in detail, focusing on language enhancements, performance improvements, APIs, and real-world usage.
These versions are Java LTS (Long-Term Support) releases, widely used in enterprise and production applications. This video will help you understand how Java evolved, what changed in each version, and which Java version you should use today.
This video is ideal for:
Java developers (beginner to advanced)
Java interview preparation
Java version migration (Java 8 → 11 → 17 → 21)
Backend & Spring Boot developers
#Java
#JavaProgramming
#JavaFeatures
#Java8
#Java11
#Java17
#Java21
#JavaLTS
#JavaDeveloper
#JavaTutorial
#JavaInterview
#BackendDevelopment
#Programming
#SoftwareEngineering
#JavaInterviewQuestions
#JavaInterviewPreparation
#JavaDeveloperInterview
#VirtualThreads
#ProjectLoom
#ModernJava
#JavaUpdates
What You’ll Learn
✔ Java 8 functional programming concepts
✔ Java 11 modern API enhancements
✔ Java 17 language structure & safety
✔ Java 21 performance and scalability upgrades
✔ Key differences between Java LTS versions
✔ Java interview-relevant topics
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