Both version numbers (
1.6.0 and 6) are used to identify this release of the Java Platform. Version 6 is the product version, while 1.6.0 is the developer version. The number 6 is used to reflect the evolving level of maturity, stability, scalability and security of Java SE.
Version 6 is used in the platform and product names as given in this table:
|Platform name||Java TM Platform, Standard Edition 6||Java TM SE 6|
under the platform
|Java TM SE Development Kit 6||JDK TM 6|
|Java TM SE Runtime Environment 6||JRE TM 6|
Due to significant popularity within the Java developer community, "JDK" continues to be the acronym for the development kit, as does "JRE" for the runtime environment. Notice that "JDK" stands for "Java SE Development Kit" (to distinguish it from the Java EE Development Kit known as SDK). The name "Java Development Kit" is no longer used, and has not been offically used since 1.1, prior to the advent of Java EE and Java ME.
Java SE keeps the version number
1.6) in some places that are visible only to developers, or where the version number is parsed by programs. As mentioned,
1.6.0 refers to exactly the same platform and products numbered
6. Version numbers
1.6 are used at: