Most Java developers and JavaScript developers understand that besides the four letters “J-A-V-A,” JavaScript and Java have very little in common other than some C-like heritage.

To call Nashorn JavaScript from a Java 8 program, you basically need to make a new ScriptEngineManager instance and use that ScriptEngineManager to load the Nashorn script engine by name.

Online payment service PayPal says swapping Java for node.js on its servers is allowing it to serve web pages more rapidly and simplifying the creation of server-side software. PayPal has moved ...

What can I do with Java and C++ that I can't do with JavaScript? This question was originally answered on Quora by Mattias Petter Johansson.

This was, to put it mildly, disastrous: JavaScript is not Java and, apart from some superficial syntactical resemblances, doesn't work like Java.