New java Updates

☕ Java 21 (LTS) – Released September 2023

Major Highlights:

• ✅ Virtual Threads (Project Loom): Finalized! Makes writing high-throughput concurrent apps easier.
• 🧵 java.lang.Thread now supports lightweight threads
• 🧱 Record Patterns & Pattern Matching for switch: Better, cleaner code when using pattern matching
• 🔐 Sequenced Collections: New interfaces like SequencedCollection, SequencedSet, SequencedMap
• 🧪 Scoped Values (Preview): A safer alternative to thread-local variables

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🔮 Java 22 (March 2024 – Non-LTS)

Key Features:

• 🧵 Structured Concurrency (Preview): Easier thread management
• 🔁 Stream Gatherers (Preview): Create custom collection-style operations
• ⚡ Improved pattern matching and memory segment APIs

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🧪 Upcoming Java 23 (September 2024, next LTS is Java 25)

• Likely to include more stable Loom, Panama, and Valhalla features
• Expected:
  • Finalization of Scoped Values
  • Improvements in foreign function & memory API
  • More enhancements to JVM performance

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🔧 Tooling/Dev Enhancements

• Better performance in javac
• JavaFX improvements
• Stronger integration with modern build tools like Gradle, Maven, and IDE support

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