java -version # Output example: # java version "1.8.0_421" # Java(TM) SE Runtime Environment (build 1.8.0_421-b09) # Java HotSpot(TM) 64-Bit Server VM (build 25.421-b09, mixed mode)
JDK 8 also introduced method references and constructor references, which provide a shorthand way to reference existing methods and constructors. Method references allow developers to reference a method without invoking it, while constructor references enable the creation of new instances of a class without calling the constructor explicitly. java se development kit 8
The Stream API has become a fundamental part of Java SE development, enabling developers to write more concise and efficient code for data processing and manipulation. java -version # Output example: # java version "1
JDK 8 removed the PermGen (Permanent Generation) memory area, replacing it with Metaspace. This change eliminated many OutOfMemoryError: PermGen issues in application servers by allowing class metadata to be allocated in native memory. JDK 8 removed the PermGen (Permanent Generation) memory