Set up of java in laptop

What is Java ? It is general-purpose, high level,object oriented programming language. It is developed by James Gosling. It is developed at Sun Microsystems in 1995 History of Java ? James Gosling and his team started to work on java for a client's set top box project in 1991. The first version of java (java 1.0) is released in 1995. First name of java is Oak next goes to Green and finally becomes JAVA. Java is the name of Coffee Seed. Features of Java ? Platform Independent:Java is called platform independent because a java program can be run on different kind of platform for example Window os,Linux os etc. Object Oriented:Java supports object oriented programming structure so it is called object oriented. Security:Java is more secure language as compare to other programming language. Flexible:An application developed in java can be modified as per user requirement so it is called flexible programming language. Portable:A java program written in one system can be run in any other system.In simple a java program can be transferred from one system to another. Mutlithreading:In java we can perform more than one task simultaneously so it is called Multithreading. Simple:Java is very simple and easy to learn. Application of Java ? It is used to develop Window Application. It is used to develop Web Application. It is used to develop Android/Mobile Application. It is used to develop Embedded System for example SIM card,Television etc. It is used to develop Scientific Application for example MATLAB. It is used to develop Games. It is used for Database Connectivity. Why Use Java ? It is very simple and easy to learn. It powerful,fast and secure. It can be run on different kind of platform for example Window,Mac,Linux etc. It is free and open source.