
Java was originally developed by James Gosling at Sun Microsystems and released in 1995. The language initially called oak because on the side of James office their is oak tree. after oak new name given i.e. green and after that finally name given as Java. Sun Microsystems released the first public implementation as Java 1.0 in 1996. It promised Write Once, Run Anywhere (WORA), providing no-cost run-times on popular platforms. Principles their were five primary goals in the creation of Java language 1. It must be object-oriented and simple. 2. It must be execute with high performance. 3. It must be portable. 4. It must be robust and secure. 5. It must be interpreted,threaded and dynamic.