This is a book on learning Java programming for beginners.Java is a revolutionary programming language that has completely changed the way programming is done by software programmers worldwide.Java is a general-purpose programming language that follows the object-oriented programming paradigm and the Write Once Run Anywhere approach. Java is used for desktop, web, mobile, and enterprise applications.Java can be found anywhere you look. It's a primary language for Android development. You will find it in web applications, governmental websites, and big data technologies.Java embraces object-oriented programming (OOP) – a coding concept in which you not only define the type of data and its structure, but also the set of functions applied to it. This way, your data structure becomes an object that can now be manipulated to create relationships between different objects.