Java 2, J2SE, J2EE, J2ME

There were three editions of Java 2:

  1. Java 2 Platform, Standard Edition (J2SE) – J2SE is basically the JDK. It also serves as the foundation for technologies defined in J2EE.
  2. Java 2 Platform, Enterprise Edition (J2EE) – It defines the standard for developing component-based multi-tier enterprise applications. Features include Web services support and development tools (SDK).
  3. Java 2 Platform, Micro Edition (J2ME) – It provides an environment for applications that run on consumer devices, such as mobile phones, personal digital assistants (PDAs), and TV set-top boxes. J2ME includes a JVM and a limited set of class libraries.

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