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20 July 2022

Java Vs JavaScript | Difference | Comparison

Many people genuinely assume that java and javascript are interchangeable terms for the same language or that they are related languages. However that user must clear any confusion regarding the fact that javascript and java programming language are not related languages and have nothing to do with one another. the popularity of the java programming language, which was at its height at the time, was the biggest factor behind the introduction of the scripting language called javascript. Let us debate Java Vs JavaSript and understand more about it. 

What is Java?

An object-oriented programming language called java features a virtual machine platform that enables you to generate applications that can run on almost every platform. the slogan of java was written once, run anywhere.

Related article: Servlet Vs JSP

What is Java Script?

JavaScript is sometimes also called JS. It is the object-oriented programming language that is commonly used to create dynamic web pages. The ECMAScript language definition specifies it. Aside from OOP, JS supports two further programming paradigms: functional and imperative. JS is generally utilized within a web browser to provide dynamic features that CSS and HTML  cannot provide. JavaScript also allows you to create basic web apps using data, text, and regular expressions.

Java Vs JavaScript | Difference between Java and JavaScript:

  • Java is OOP called object-oriented programming language. JavaScript is an object-based scripting language.
  • Java is a stand-alone language. JavaScript is not stand alone, it is incorporated into an HTML program for operation.
  • Java is a strongly typed language used and the data type of variable is decided before declaring or using it. While in JavaScript language utilized is loosely typed, so that the user does not have to worry about the data type before the declaration.
  • Java code has to compile with, while the javascript code is all text.
  • java is slightly more complex, and javascript is easier in comparison to java.
  • Java is a large amount of memory required, while in javascript memory consumption is lesser.
  • Java is used to perform complex tasks, while in javascript complex tasks cannot be executed.
  • Java programs are saved with the .java extension. javascript programs are saved with the javascript .js extension.
  • Java is stored in the client host machine under the byte code.  while javascript stores in host or client machine as source code.
  • java compiled on the server before it is executed on the client side. javascript is interpreted on the client side.
  • Java requires a java development kit(JDK) to run the code. JavaScript requires any text editor or browser console to run the code.
  • Java uses more memory. Javascript uses less memory.
  • java support multithreading. Javascript doesn't support multi-threading.
  • java is static and the code once written can be run on any computing platform, while the javascript is dynamic and is a cross-platform language.
  • Java has a thread-based approach to concurrency. Javascript has an event-based approach to concurrency.
  • Java is mainly used for the backend, and javascript is used for the frontend and backend.
Thanks for reading the article. Still, if you have any questions or queries in your mind on Java Vs JavaScript then please ask us in the comment section below.

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