The content is copyrighted to Pritesh Taral and may not be reproduced on other websites..Hello, World! Java is an object oriented language OOP . Objects in Java are called “classes”. Let’s go over the Hello world program, which simply prints “Hello, World!”.Java is a general purpose computer programming language that is concurrent, class based, object oriented, and specifically designed to have as few implementation dependencies as possible. It is intended to let application developers “write once, run anywhere” WORA , meaning that compiled Java code can run on all platforms that support Java without the need for recompilation..