1. What is Java ? Java is object oriented programming language and it’s one of the most popular languages in the world. It is owned by Oracle, and more than 3 billion devices run Java. It is used for many application like Mobile applications, Desktop application, Web Application, Web servers and application servers, games, .. 2. Why Use Java? Java recruitment demand is very high right now It is open-source and it's complete free It’s a high security programing language and often used to build the large software system like ecommerce or banking. Java has massive community support (tens of millions of developers) It is an object-oriented language, providing a clear structure to programs and allowing code reuse, which lowers development costs. It’s famous with write one and run anywhere feature or in other word it’s cross platform programming language ( can be used with multiple platform like Windows, Mac, Linux)
