Java 7 -

: Improved readability of large numbers (e.g., 1_000_000 ) . New I/O (NIO.2)

This was a game-changer for resource management. It automatically closes resources (like files or database connections) that implement AutoCloseable , eliminating the need for messy finally blocks. java 7

: Allowed developers to catch multiple unrelated exceptions in a single catch block using the | operator, making error handling cleaner . : Improved readability of large numbers (e

Designed for parallel processing, this framework simplified the task of splitting a large problem into smaller sub-tasks (forking) and then combining the results (joining). It served as the engine that would later power Java 8’s parallel streams. 4. invokedynamic java 7