While it didn’t radically change the syntax in the way Java 8 later would, Java 7 introduced essential refinements that streamlined developer workflows and laid the technical groundwork for the high-performance JVM (Java Virtual Machine) we use today. Key Features and Enhancements 1. Project Coin (Small Language Changes)
: Improved readability of large numbers (e.g., 1_000_000 ) . New I/O (NIO.2) java 7
: Added support for using String objects in switch statements, which previously only supported primitives and enums . While it didn’t radically change the syntax in
int mask = 0b1010_0101; // prefix 0b or 0B // prefix 0b or 0B