Java Versions and Java Features

Java Introduction

Java is a Programming language.

Java is Highlevel Object oriented Proramming language.

Java Programming language is invented by James Gosling.

Java is developed by Green Team.

Java is developed by james Gosling at sun microsystems is released in 1995.

Java Versions:

Jdk Alpha and Beta(1995)

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)

J2SE 6(December,2006)

JavaSE 7(july 28,2011)

javaSE 8(March 18,2014)

JAVA FEATURES:

JDK 1.0 Features:

  1. Originally called Oak.

JDK 1.1 Features:

  1. Inner classes
  2. Java Beans
  3. JDBC
  4. RMI
  5. Reflection
  6. JIT(Just intime compiler)

J2SE 1.2 Features:

Code Name of J2SE 1.2 is Playground
  1. Strictfp
  2. Swing
  3. Java Plug In
  4. Collection framework

JDK 1.3 Features:

J2SE 1.3 codename is Kestrel.
  1. JNDI(Java Naming and Directory interface)

J2SE 1.4 Features:

  1. J2se codename is called Merlin
  2. Assert keyword
  3. Regular Expressions
  4. Logging API

Java 5 Features:

Code name of J2SE 5 is Tiger
  1. Var args methods
  2. Generics
  3. Covariant return Types
  4. Enhanced for loop( for-each loop)
  5. Queue Type collection type classes
  6. AutoBoxing and AutoUnboxing
  7. static imports
  8. Enum
  9. Scanner class
  10. Annotations
  11. C style formatted Input/Output

Java 6 Features:

Code Name of Java SE6 is Mustang

  1. Console class
  2. NavigableSet
  3. NavigableMap

Java SE 7 Features:

Code Name of JavaSE7 is Dolphin

  1. Strings in Switch statements
  2. Mutiple Exception handlin syntax
  3. Try With resources statement

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