What is the difference between Java & JavaScript ??

Answer 1

Java is a Object-Oriented Programming Language. That means you can build nearly everything with java.
However javascript is a scripting language. Scripting languages are different then other programming languages. Think like java is the smartphone, javascript is the hand that uses the smartphone.

Answer 2

Javascript used for websites to compress code size, Java is used to build applications desktop & mobile and other business solutions totally different languages