Difference between Java and JavaScript


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Many newcomers to programming thinks that Java and JavaScripts are similar languages but in actuality, they are not. Both of them are completely different programming languages.

In this article, I will discuss Java, and JavaScript programming languages and the differences between them.

What is Java?

Java is a general-purpose, object-oriented, class-based programming language that was first released in 1995 by Sun Microsystems. One of the biggest reasons behind the popularity of Java is its platform independence which means a program written in java can run on several different types of machines.

In fact, Java promises “write once, run anywhere”. Java applications are compiled to bytecode that can run on any JVM (Java Virtual Machine) regardless of the architecture of a computer system.

The key features of Java are –

  • Easy to learn and code
  • Object-oriented programming language
  • Platform independent
  • Robust and secure language
  • Highly portable
  • High performance (Using its Just in time compiler)
  • Supports multithreading

What is JavaScript?

JavaScript ( also called JS ) is a high-level, lightweight, interpreted, or just in time compiled programming language. It is used widely on the client-side for developing interactive web pages as well as on the server-side for developing the backend of a web app. The most popular JS framework that is used in server-side development is Node.Js

All the major web browser includes a dedicated JavaScript engine for executing JavaScript code on user devices.

The key features of JavaScript are –

  • Lightweight
  • Object-oriented programming support
  • Functional Style
  • Dynamic typing
  • Platform Independent
  • Prototype-based
  • Interpreted Language or Just in time compiled
  • Client-Side Validation
  • Provides more control in the browser

Java vs JavaScript: The key differences

The following table shows the key differences between Java and JavaScipt programming languages.

[table id=42 /]

Conclusion

I hope you now have a basic understanding of what is Java and Javascript and the difference between them.

Now if you have a query or feedback then write us in the comments below.

 

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