The JavaScript programming language, developed by Netscape, Inc., is not part of the Java platform. JavaScript, does not create applets or stand-alone applications.

JavaScript remains by far the most popular programming language with developers, followed by Python and then Java, according to analyst firm SlashData's latest survey of developers. The company's ...

How Does Java Work?. Released in 1995, the philosophy behind Java is "write once, run anywhere." In other words, a program written in Java can theoretically run on any machine that supports it.