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Versions of Java

As of 2017 both Java 8 and 9 are officially supported. Major release versions of Java along with their release dates:

  • JDK 1.0 (January 23, 1996)
  • JDK 1.1 (February 19, 1997)
  • J2SE 1.2 (December 8, 1998)
  • J2SE 1.3 (May 8, 2000)
  • J2SE 1.4 (February 6, 2002)
  • J2SE 5.0 (September 30, 2004)
  • Java SE 6 (December 11, 2006)
  • Java SE 7 (July 28, 2011)
  • Java SE 8 (March 18, 2014)
  • Java SE 9 (September 21, 2017)

1. JDK 1.0

The first version was released on 23 January 1996 and called Oak.The first stable version, JDK 1.0.2, is called Java 1

2. JDK 1.1

Major additions in the release on February 19, 1997 included :-
  • a. an extensive retooling of the AWT event model
  • b. inner classes added to the language
  • c. JavaBeans
  • d. JDBC
  • e. RMI
  • f. reflection which supported Introspection only, no modification at runtime was possible.
  • g. JIT (Just In Time) compiler on Microsoft Windows platforms, produced for JavaSoft by Symantec
  • h. Internationalization and Unicode support originating from Taligent

3.J2SE 1.2

Codename Playground. The release on December 8, 1998 and subsequent releases through J2SE 5.0 were rebranded retrospectively Java 2 and the version name "J2SE" (Java 2 Platform, Standard Edition) replaced JDK to distinguish the base platform from J2EE (Java 2 Platform, Enterprise Edition) and J2ME (Java 2 Platform, Micro Edition). This was a very significant release of Java as it tripled the size of the Java platform to 1520 classes in 59 packages. Major additions included:-
  • a. strictfp keyword
  • b. the Swing graphical API was integrated into the core classes
  • Sun's JVM was equipped with a JIT compiler for the first time
  • Java plug-in
  • Java IDL, an IDL implementation for CORBA interoperability
  • Collections framework

4. J2SE 1.3

Java(Codename Kestrel). The most notable changes in the May 8, 2000 release were:-
  • HotSpot JVM included (the HotSpot JVM was first released in April 1999 for the J2SE 1.2 JVM)
  • RMI was modified to support optional compatibility with CORBA
  • Java Naming and Directory Interface (JNDI) included in core libraries (previously available as an extension)
  • Java Platform Debugger Architecture (JPDA)
  • JavaSound
  • Synthetic proxy classes

5.J2SE 1.4

Codename Merlin. The February 6, 2002 release was the first release of the Java platform developed under the Java Community Process as JSR 59. Major changes included:-
  • Language changes
  • assert keyword (specified in JSR 41)
  • Library improvements
  • Regular expressions modeled after Perl regular expressions
  • Exception chaining allows an exception to encapsulate original lower-level exception
  • Internet Protocol version 6 (IPv6) support
  • Non-blocking IO (named New Input/Output, NIO) (specified in JSR 51)
  • Logging API (specified in JSR 47)
  • Image I/O API for reading and writing images in formats like JPEG and PNG
  • Integrated XML parser and XSLT processor (JAXP) (specified in JSR 5 and JSR 63)
  • Integrated security and cryptography extensions (JCE, JSSE, JAAS)
  • Java Web Start included (Java Web Start was first released in March 2001 for J2SE 1.3) (specified in JSR 56)
  • Preferences API (java.util.prefs)
  • Public support and security updates for Java 1.4 ended in October 2008. Paid ->security updates for Oracle customers ended in February 2013.

6.J2SE 5.0

The Version release on September 30, 2004 was originally numbered 1.5, which is still used as the internal version number. The number was changed to "better reflect the level of maturity, stability, scalability and security of the J2SE". This version was developed under JSR 176 J2SE 5.0 entered its end-of-public-updates period on April 8, 2008; updates are no longer available to the public as of November 3, 2009. Updates were available to paid Oracle customers until May 2015.

7.Java SE 6

As of the version released on December 11, 2006, Sun replaced the name "J2SE" with Java SE and dropped the ".0" from the version number.Internal numbering for developers remains 1.6.0. This version was developed under JSR 270. During the development phase, new builds including enhancements and bug fixes were released approximately weekly. Beta versions were released in February and June 2006, leading up to a final release that occurred on December 11, 2006

8.Java SE 7

Java 7|(codename Dolphin) is a major update that was launched on July 7, 2011.

9.Java SE 8

Java 8 (codename: Spider) was released on March 18, 2014.

10.Java SE 9

At JavaOne 2011, Oracle discussed features they hoped to release for Java 9 in 2016.

11.Java SE 10 (AKA Java 18.3)


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