The Difference Between Java and Javascript

The Difference Between Java and JavaScript

by Harry Newman

At some point, you might have asked yourself this question: Is Java part of JavaScript? It’s a natural question as the names seem close to each other, and there is no real way to know the answer unless you do a Google search.

Where is the difference then?

Java and JavaScript are not related. The difference between the two lies in how they interact with your systems.  Java works as an OOP Programming language while JavaScript works as an OOP Scripting Language. One compiles the other doesn’t. Object-oriented programming (OOP) stands for a programming language that focuses on objects instead of “actions” and data rather than logic. Before OOP, programming was all about data. With the evolution of development, the interaction with humans data has become more and more important hence the change of paradigm. And the widespread use of OOP across the Web.

The difference is not only in theory

JavaScript is mainly used to give webpages new life. It grants interactivity to websites and resides as all text in the HTML code of sites. It’s been effectively adapted to modern web browsers, enabling them to give users feel the freedom to create many different flashy functions.

Java, on the other hand, has the commercial purpose of running everywhere possible. Their motto is “write once, run anywhere” and the flexibility the Java platform grants cannot be underestimated. Your phone is full of Java programs in one way or another if you are an Android user.

Resume of differences

  • Java is compiled while JavaScript code is all text.
  • JavaScript only works in browsers while Java runs in a virtual machine or browser.
  • Java works as an OOP Programming language while JavaScript works as an OOP Scripting Language.


Web pages and applications have become more and more interactive. These two programming languages, developed by Netscape and Sun Microsystems, made possible for users to take advantage of Web 2.0 like never before. Now, they are adapting to the heavy competition and constant evolution of development frameworks and languages. We can only wait and see where the future will lead.


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