Java and JavaScript are completely different languages, both in concept and design. Java is used to develop mobile apps, web apps, desktop apps, games and much more. The JavaScript programming language, developed by Netscape, Inc., is not part of the Java platform.

Key differences between Java and JavaScript:

• Java is an OOP programming language while Java Script is an OOP scripting language.
• Java creates applications that run in a virtual machine or browser while JavaScript code is run on a browser only.
• Java code needs to be compiled while JavaScript code are all in text.