Hetu Rajgor's answer to What are the major differences between Java, AngularJS, and JavaScript and Node JS? - Quora

<img src="https://moriohcdn.b-cdn.net/70b437cf37.png">Java is a programming language which is owned by Oracle. More than 3 Million devices are running in Java.&nbsp;JS is a client-side programming language used for creating dynamic websites and apps to run in the client's browser.

Why is a Java guy so excited about Node.js and JavaScript?

Shouldn’t someone who worked 10+ years in the Java SE team at Sun Microsystems bleed Java bytecodes and be instantiating abstract interfaces until the last breath? For this former Java SE team member, learning the Node.js platform in 2011 was a breath of fresh air. After being laid off from Sun in January 2009 (just prior to the Oracle buyout), I learned about and became hooked on Node.js.