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.

With JDK 8 Java adds full JavaScript support plus some awesome extensions with Project Nashorn. In this article JavaScript expert Oliver Zeigermann explains the hows and the why's.

Javet, a fusion of Java and V8 (JAVa + V + EighT), has recently released its version 3.0.2, marking a significant advancement in embedding Node.js and V8 in Java. This version includes Node.js v20.10.

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.

Obligatory rant: JavaScript may have Java as part of its name, but the two languages are very different in spirit and design, as well as in their implementations.