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Java Tutorial

Java Introduction Java Installation Java Jvm Architecture Java Naming Convention Java Class Java Nested Class Java Object Java Modifier Java Ways to create Object Java Constructor Java Method Java Referencing Java Static Java Static Block Java InIt Java Oops Java Inheritance Java Method Chaining Java Abstraction Java Encapsulation Java Interface Java Exception Java Thread By Association Java Thread Lambda Expression Java Thread Lifecycle Java Thread Schedular Java Daemon Thread Java Green Thread Java Guarded Blocks Java Count Down Latch Java Producer Con Java Object Lock Synchronize Java Classlock Synchronize Java Inter Thread Communication Java Synchronize Java Re Entrance Java Serialization Java Strings Java String Tokenizer Java String Methods Java String Constant Pool Java String Buffer Java Collection Java Array List Java Set Java Map Java Stack Java Iterator Java Enumeration Java Traditional Collection Java Write File Java Copy File Java IO File Java Read File Java Pattern Java Interview Question

Java Introduction

What is Java?

Java is an object oriented, platform independent, portable, robust highlevel programming language.

Founder : Mr James Gosling

Vendor : Initially Sun MicroSystem Now Oracle

Year :1995



Version of Java Technology

Version Release date End of Free Public Updates Extended Support Until
JDK Beta 1995
JDK 1.0 January 1996
JDK 1.1 February 1997
J2SE 1.2 December 1998
J2SE 1.3 May 2000
J2SE 1.4 February 2002 October 2008 February 2013
J2SE 5.0 September 2004 November 2009 April 2015
Java SE 6 December 2006 April 2013 December 2018
Java SE 7 July 2011 April 2015 July 2022
Java SE 8 (LTS) March 2014 January 2019 for Oracle
(commercial) December 2020
for Oracle (personal use) At
least September 2023 for
AdoptOpenJDK 		March 2025
Java SE 9 September 2017 March 2018 for OpenJDK N/A
Java SE 10 March 2018 September 2018 for OpenJDK N/A
Java SE 11 (LTS) September 2018 At least September 2022 for AdoptOpenJDK September 2026
Java SE 12 March 2019

Popular Features of Java Technology

  • Platform Independent
  • Portable
  • Highly Secured
  • Supports Dynamic Code Loading
  • Strictly typed Check
  • Provides Garbage collected Heap Robust Object Oriented