9/20/2023 0 Comments Java development kit 5.0 update 22![]() ![]() The J2SE class libraries are also part of the J2SE platform. The J2SE application programming interface (API) defines the prescribed manner by which an applet or application can make requests to and use the functionality available in the compiled J2SE class libraries. The JDK is a superset of the JRE, and contains everything that is in the JRE, plus tools such as the compilers and debuggers necessary for developing applets and applications. ![]() The JRE does not contain tools and utilities such as compilers or debuggers for developing applets and applications. It is also the foundation for the technologies in the Java 2 Platform, Enterprise Edition (J2EE) for enterprise software development and deployment. The JRE provides the Java APIs, Java virtual machine, and other components necessary to run applets and applications written in the Java programming language. There are two principal products in the J2SE platform family: J2SE Runtime Environment (JRE) and J2SE Development Kit (JDK). New (but compatible) default Java look and feel. New language updates: Metadata, Generics, Enumerated types, Autoboxing of primitive types, New JVM Monitoring and Management API, Improved out-of-box performance The development of J2SE 5.0 was led by Sun and progressed following the Java Community Process (JCP) to include input from a variety of constituents.
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