Java is basically known as portable program i.e Platform independent language. Looking upon the market study James Gosling and many others conceived Java, due necessity by consumer electronics and world wide web. The internet as we know today in 90's demanded portable programs and Java is the solution as we know today.

Many platforms are attached to Internet. Users would like to run a same program on all type of platform. Java is used world wide by 6 billion android users as of now. Java apps running on Android phones run by (JVM)java virtual machine. Java is derived from C and C++ as an object oriented program.