Java Basics

Java History

Java was developed by James Gosling who worked as a part of Green Team in Sun Microsystems. Other people who were part of the team are Mike Sheridan and Patrick Naughton.
The java language project was started in 1991 and its first version was released in 1995.
It was intended to be used in digital devices such as set-top boxes at that time. But from then till today java has evolved to a great extent. Today java is widely used in internet programming, games, mobile development, e-business and more.  
The language initially was named as ‘Oak’ but later was renamed to java. This language promised to be write once, run anywhere (WORA) kind of programming language. 
Why java is write once run anywhere?

Java Versions

Version Release Year of Release
JDK Beta 1995
JDK 1.0 1996
JDK 1.1 1997
J2SE 1.2 1998
J2SE 1.3 2000
J2SE 1.4 2002
J2SE 5.0 2004
Java SE 6 2006
Java SE 7 2011
Java SE 8 2014
Java SE 9 2017

Current Version

Java SE 9 released in year 2017

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