VarHandle Java 9 Java 11 Java 17 concurrent programming field access atomic operations

ReadWriteLock Java concurrency Java 8 Java 9 Java 11 Java 17 thread safety performance optimization

Java pattern matching switch statement Java 17 Java 19 code readability programming improvements

SecureRandom Java cryptographic security RNG Java 9 NativePRNG random number generation Java 17 improvements

Java Annotation Processors JPMS Processing API Code Generation Java 9 Java 11 Java 17

Path Paths Java file handling Java 8 Java 11 Java 17 file system directory manipulation improvements

sealed classes java 15 java 17 type safety maintainability

VisualVM Mission Control Java monitoring Java performance JMX Java 11 Java 17 profiling tools performance tuning

TemporalAdjusters Java 8 Java 9 Java 10 Java 11 Java 12 Java 13 Java 14 Java 15 Java 16 Java 17 Java 18