What is Java and why it is used?

Java is a popular and dynamic programming language and computing platform first released by Sun Micro-systems in 1995. Java is fast, reliable, secure and free to download.

Java is a general-purpose computer-programming language that is concurrent, class-based, object-oriented programming language, evolved from OAK Language.

Java is one of the most popular programming languages used, particularly for client-server web applications.

There are lots of applications and websites that will not work unless we install Java, and more applications are created every day. Java is fast, secure and reliable.

The primary goal of creating Java language is ..
The language must be simple, object-oriented, and familiar.
It must be of high performance
which is robust and secure,
It must be architecture-neutral and portable
It must execute with, interpreted, threaded and dynamic.

Java is used by every enterprise in one or the other way. Java is used in desigining
Embedded systems
GUI Applications
Web Applications
Enterprise applications
Web servers
Mobile applications
Scientific application