Java and JavaScript are the two most popular, well-known, dominant programming languages from the ocean that holds the crown for the most widely used programming languages for enterprise application development.
When it comes to the development of any website, software or application, the whole is categorized into two major parts, namely, frontend development (which is also called client-side) and backend development (which is also called as server-side). Thus, for the complete development cycle, you need to select two different languages. However, choosing any language which is viable at both frontend and backend can be a plus but that should satisfy your business goals.
If you are looking for a cool boy for your project then this blog can be a key to unlock the door. This blog defines most widely used languages for designing interactive frontend enterprise applications.