Introduction of JAVA

What is JAVA

JAVA is a high level, Class based, object-oriented programming language.

• Java was developed in 1991 by James Gosling at Sun Microsystems, Now owned by Oracle.
• First name of Java was Green Talk.
• Free, open source and high level programming language.
• Java is a platform independent.
• Java is highly secure. (it’s uses own runtime environment)
• First release was alpha and beta. (1995)

Uses of Java

• Web application
• Desktop application
• Mobile application
• Games, etc.

Edition of Java

1. Java SE (Java Standard Edition)
2. Java EE (Java Enterprise Edition)
3. Java ME (Java Micro Edition)

Versions of Java

1. JDK Alpha and Beta (1995)
2. JDK 1.0 (1996)
3. JDK 1.1 (1997)
4. J2SE 1.2 (1998)
5. J2SE 1.3 (2000)
6. J2SE 1.4 (2002)
7. J2SE 5.0 (2004)
8. Java SE 6 (2006)
9. Java SE 7 (2011)
10. Java SE 8 (2014)
11. Java SE 9 (2017)
12. Java SE 10 (2018)
13. Java SE 11 (2018)
14. Java SE 12 (2019)
15. Java SE 13 (2019)
16. Java SE 14 (2020)
17. Java SE 15 (2020)
18. Java SE 16 (2021)
19. Java SE 17 (2021) and counting…