Java 21 New Features — Complete Guide with Examples
Java 21 is an LTS release with major improvements in concurrency, pattern matching, and collections. This article covers all JDK 21 release JEPs with examples.
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Java 17 New Features — Complete Guide with Examples
Java 17 is an LTS release. This article covers the most important JDK 17 changes, with examples and the engineering reason each one was added.
Java 11 New Features — Complete Guide with Examples
Java 11 is an LTS release and remains a common production baseline. This guide covers the most important Java 11 additions, with practical examples and the r...
Parallel Streams in Java 8 — Performance Engineering Guide
parallelStream() is not a universal performance switch. It can improve throughput for CPU-bound, independent workloads, and degrade latency badly in request/...
Java 8 Date & Time API — Production & Distributed Systems Guide
Date-time bugs are common in distributed systems: