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Java vs JavaScript is the talk of the IT town. As Javascript has “Java” in it, people often assume that Java is just a shortened version of Javascript. Though Java and Javascript have some overlap, these two programming languages are very different. Despite the fact that these two languages differ from each other, both of these programming languages play a significant role in the IT industry. Let’s dig deeper and discuss the similarities and differences between Java and JavaScript and find out which one is better.


Developed by James Gosling in 1995, Java is an object-oriented programming (OOP) language that is used to develop applications on devices or browsers. Programs and applications created on Java can run on almost every platform as Java promises “Write Once, Run Anywhere”.

Java has a broad use in the enterprise world. For decades, it has been used to connect legacy enterprise systems to highly dynamic web interfaces.

Features of Java

Some features of Java include:

  • Java is based on OOP concepts such as inheritance, abstraction, and encapsulation.
  • Java is a robust, multithreaded language with automatic memory management.
  • Java works on Write Once, Run Anywhere (WORA) theory.
  • Java facilitates distributed computing.
  • Java uses a compiler to execute codes.
  • Applications created on Java can run on every platform with Java Virtual Machine (JVM).


Applications of Java

Java language is an efficient programming language for multiple platforms and has been the backbone of the digital world. Here are the important applications of Java.

  • Java is used for Android app development.
  • Java is preferred for cross-platform software for desktops.
  • Java is widely used to develop and maintain web servers.
  • Java supports many scientific computing applications such as MATLAB.
  • Java is used for Big Data Analytics.
  • Java is used in high-volume data processing enterprise systems.
  • Applications developed on Java are used in vehicle systems, IoT devices, home appliances, etc.


JavaScript (JS) is a lightweight programming language that is used to make interactive web pages, primarily on HTML documents and browsers. JavaScript programming language is also known as “scripting language” or “browser’s language” and it is basically an OOP programming script.

JavaScript runs in the user’s web browser without the need for resources from a web server. JavaScript is used with various technologies such as REST APIs, XML and Node js. It’s also been used to customize the gameplay in numerous game engines like Kiwi and Bablyno.

 Features of JavaScript

  • JavaScript is lightweight.
  • JavaScript is a cross-platform language.
  • JavaScript functions in JS are objects.
  • JavaScript supports OOP concepts such as polymorphism.
  • JavaScript doesn’t need a compiler.
  • Users can control website content with JavaScript.

 Application of JavaScript

In addition to creating and running the Internet/web browsers, there are various other applications of JavaScript. Below are some of them.

  • JavaScript is the preferred programming language for interactive web page development.
  • JavaScript is used to develop browser-based applications and games.
  • JavaScript is used in mobile app development.
  • JavaScript is used to control server applications.
  • JavaScript has been used in smartwatch apps and robots.

 Similarities Between Java and JavaScript

Although Java and JavaScript function differently, they do have some similarities in the underlying concepts and working styles. Major similarities between Java and JavaScript.

1.Both are Object-Oriented Programming Languages

Both Java and JavaScript are Object-Oriented Programming Languages and support OOP concepts such as inheritance, encapsulation, abstraction, and polymorphism. Both of these languages require a programmer to code.

2. Both Run in an Internet Browser

Both Java and JavaScript applications run on the web browser: Java applications run in the form of applets while JavaScript codes run on modern web browsers to make websites interactive and dynamic.

3. Both are Used for Server Application Development

Java program has been used in websites to support the back-end and with the development of back-end technologies such as Node.js, JavaScript powers server applications.

4. Both have a High Storage Libraries and Frameworks

Language libraries and frameworks are important for program developers to access reusable general and codes which helps them reduce development time. Both Java and JavaScript have a wide range of libraries and frameworks.

 Differences Between Java and JavaScript

Now you know the similarities between Java and JavaScript, you may now want to explore Java vs. JS differences. Below are listed the major differences between Java and JavaScript.

  • Java is a programming language while JavaScript is a scripting language.
  • Java is used in Android application development, embedded computers, and enterprise applications whereas JavaScript is considered to be a tool to make web browsing pages.
  • Java is used to develop standalone applications while JavaScript code resides in the tag on a web page.
  • Java can be used in server-side applications as well. JavaScript, meanwhile, runs in the client-side web browser.

 Java Vs JavaScript - Which is Better?

Now you may have a profound idea about the similarities and differences between Java and JavaScript. Both Java and JavaScript have a C-like syntax and are used in client-side and server-side web applications. Despite sharing a few similarities, Java and JavaScript (JS) are totally unrelated and work differently.

But the question is Java vs [removed] which is better? Well, both Java and JavaScript have their own advantages. Java is extensive, faster, and supports a better app development process while JavaScript is lighter and is the best for interactive apps. Java or JavaScript, you have to choose the programming language as per your development needs.

Java and JavaScript are equally important in web development. If you want a career in Java programming or a career in JavaScript, then you can join the Java course and JavaScript course in Nepal at TechAxis. We offer the best JavaScript training and Java training in Nepal. Connect with TechAxis and start learning Java and JavaScript now. 

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