J2SE，标准版的Java平台是一个Java2的平台，为用户提供一个进程开发环境。这个进程开发环境提供了开发与运行Java软件的编译器等开发工具、软件库及Java虚拟机。它也是Java2平台、企业版本和Java网页服务的基础。

Java Platform, Standard Edition or Java SE is a widely used platform for development and deployment of portable code for desktop and server environments. Java SE uses the object-oriented Java programming language. It is part of the Java software-platform family. Java SE defines a wide range of general-purpose APIs – such as Java APIs for the Java Class Library – and also includes the Java Language Specification and the Java Virtual Machine Specification. One of the most well-known implementations of Java SE is Oracle Corporation's Java Development Kit (JDK).