·         JDK Alpha and Beta (1995)    

·         This version public release had highly unstable APIs

·         JDK 1.0 (23rd Jan, 1996)

·         Codename was OAK

·         JDK 1.1 (19th Feb, 1997)

·         New features of JDK 1.1

1.      JDBC

2.      RMI

3.      JavaBeans

4.      Inner Class

·         J2SE 1.2 (8th Dec, 1998)

·         Codename was Playground

·         Features of J2SE 1.2

1.      Collection Framework

2.      JIT Compiler( Just In Time Compiler)

3.      Audio support in Applets

4.      Java plug-in

5.      The Swing graphical API was integrated into the core classe

·         J2SE 1.3 (8th May, 2000)

·         Codename was Kestrel

·         Features of J2SE 1.3

1.      Java Plateform Debugger Architecture

2.      Java Naming And Directory Interface (JNDI)

3.      Java Sound

·         J2SE 1.4 (6th Feb, 2002)

·         Codename was Merlin.

·         Features of J2SE 1.4

1.      Integrated XML parser and XSLT processor

2.      logging API

3.      Regular expression

4.      Preferences API

5.      Assertions

6.      Chained Exception

7.      Image I/O API

·         J2SE 5.0 (30th Sep, 2004)

·         Codename was Tiger.

·         Features of J2SE 1.5

1.      Autoboxing/Unboxing

2.      Generics

3.      Varargs

4.      Enhanced ‘for each’ loop

5.      Metadata also called Annotations

6.      Static Imports

·         Java SE 6 (11th Dec, 2006)

·         Sun replaced the name “J2SE” with Java SE

·         Codename was Mustang.

·         Features of J2SE 1.6

1.      JDBC 4.0 support

2.      Java Compiler API: An API allowing a Java program to select and invoke a Java Compiler programmatically.

3.      Support for pluggable annotations

4.      Scripting Language Support

5.      Improved Web Service support through JAX-WS

·         Java SE 7 (28th July, 2011)

·         Codename was Dolphin

·         Features of Java SE 7

1.      JVM support for dynamic languages.

2.      String in switch statement

3.      Automatic resource management in try-statement

4.      Timsort is used to sort arrays instead of merge sort

5.      single catch block can handle more than one type of exception

·         Java SE 8 (18th March, 2014)