In this tutorial, we will learn Introduction to Java. Java is an object-oriented programming language. Java language was developed by James Gosling at Sun Microsystems Inc. In starting they were thinking of naming this language Oak, But this name was already registered by another company so they named it Java. Java is a breed of coffee. So that is why the coffee mug is the logo of Java. Sun Microsystems was developed in the year 1982 by four persons. Of these four persons, One person was Vinod Khosla. He was an Indian and passed out from IIT Delhi. Java was originated at Sun Microsystem in 1991.
Sun Microsystems Company developed software for Appliances. There was a problem they had to develop software for every platform even though they were working the same so that is by they invented Java language to overcome this problem. On January 27, 2010, Sun Microsystems was acquired by Oracle Corporation for the US $ 7.4 billion
Java is Everywhere:
It is a slogan by Java and it is true because Java resides in mobiles. Client machines, server machines, embedded devices, smartphones, cloud etc.
Java Flavours:
- Java SE (Standard Edition) (Core Java)
- Java EE (Enterprise Edition) (Advance Java)
- Java ME(Micro Edition) (For Mobiles)
Java Versions:
| Version | Release Date |
|---|---|
| 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 |
| J2SE 5.0 | September 2004 |
| Java SE 6 | December 2006 |
| Java SE 7 | July 2011 |
| Java SE 8 (LTS) | March 2014 |
| Java SE 9 | September 2017 |
| Java SE 10 | March 2018 |
| Java SE 11 (LTS) | September 2018 |
| Java SE 12 | March 2019 |
| Java SE 13 | September 2019 |
| Java SE 14 | March 2020 |
| Java SE 15 | September 2020 |
| Java SE 16 | March 2021 |
| Java SE 17 (LTS) | September 2021 |