JAVA: The Ultimate guide for the most powerful Programming Language

Java is a programming language and a platform.
Java is an object-oriented, secured, and general-purpose computer programming language. It is the most used robust technology. Java is a must for all the students and working professionals who want to become a great Software Engineer.
This Java guide is also for everyone who wants to learn core Java programming from the beginning and also for the Selenium testers who are learning Java.