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What Is the Difference Between Java and JavaScript?

Fawzan Hussain

16 Mar 2022

4 min read

What Is the Difference Between Java and JavaScript?
  • Java

The phrase JavaScript contains the word "Java." As a result, most people believe they are linked. Many programmers, particularly novices, regard JavaScript as a Java extension. As a result, both languages are required to create apps and websites. Java and JavaScript are widely popular in the domain of app and web development . They are not, however, competitors. Instead, Java and JavaScript govern the programming world in their respective roles. In this blog we’ll discuss what Java is, what JavaScript is, and how JavaScript varies from Java.


java.png Java is an object-oriented programming (OOP) language that runs on any platform. Java-based applications may operate on a variety of platforms. The name behind the creation of Java is James Gosling, at Sun Microsystems in 1995. (Now acquired by Oracle).

Java's Features

  • It adheres to object-oriented principles such as inheritance, abstraction, and encapsulation.
  • It is based on the philosophy of the WORA (Write Once, Run Anywhere).
  • It executes codes with the help of a compiler.
  • It makes distributed computing more accessible.
  • It's a multithreaded, robust language with built-in memory management.
  • Its programs are compatible with any platform that supports the Java Virtual Machine (JVM).

The Benefits of Using Java

Java is at the heart of many web-based, mobile, and business applications. Here are some of the benefits that have made it the most popular programming language in the community:

  • Because Java is an object-oriented programming language, it permits inheritance. It makes it easier to write reusable code and construct modular programs.
  • Java is platform-agnostic, which means that applications built on one platform may be migrated to another.
  • Java is a multithreaded language. Within the software, it may accomplish many tasks at the same time.
  • Java is a programming language that is safe, scalable, and reliable. It checks for and finds mistakes before compiling, ensuring that the program runs smoothly. It is made more robust by additional features like exception handling and garbage collection.
  • Java is network-centric, making distributed computing systems easier to design and create.
  • Java provides a set of commands known as Application Programming Interfaces (APIs) that may speed up the creation of applications.
  • There are several open-source Java utilities available. Integrated Development Environments (IDEs) like NetBeans and Eclipse make app development more straightforward with their coding and debugging tools.
  • Java was initially introduced in 1995. It is a more stable language since it is more developed.

Java's Applications

java applications.png Java has shown its worth on a variety of platforms. It has served as the foundation for numerous applications in the digital world. Here are a few critical Java applications:

  • For Android app development, it has long been the standard programming language.
  • It is the recommended choice for cross-platform desktop software.
  • It's employed in enterprise data processing systems that process a lot of data.
  • Many scientific computer applications, such as MATLAB, are supported.
  • It's a helpful tool for Big Data Analytics.
  • It may be found in automotive embedded systems, household appliances, and IoT gadgets.
  • It is employed in the development and upkeep of web servers.


Java Script.png JavaScript is a scripting language and a lightweight programming language. It is frequently used with an Internet browser to make web pages more dynamic and interactive. Although JavaScript is used in server-side technologies, it is best recognized as a browser language. It doesn't make stand-alone programs.

JavaScript's Features

  • It's not too heavy.
  • Polymorphism and other OOP principles are supported.
  • It is a platform-independent language.
  • It is mainly used for client-side programming.
  • It manages the website's content according to the user's activities and inputs.
  • It checks scripts with an interpreter.
  • It works in tandem with Java and compliments it.

The Benefits of Using JavaScript

Animations, interactive maps, and other dynamic elements have been implemented using JavaScript. The following are some of the benefits that have led web designers and developers to use JavaScript:

  • A dynamic programming language is JavaScript. The executable files are smaller, and they don't require a lot of RAM to run.

  • The client device executes JavaScript. The reduced amount of server queries improves the user's experience.

  • On the client-side device, JavaScript allows for storing and retrieving data.

  • JavaScript is a scripting language that works with HTML and may be incorporated into any web page. It works in tandem with HTML and CSS for a richer online interface.

  • All major browsers, including Google Chrome, Mozilla Firefox, Microsoft Edge, and others, support JavaScript.

JavaScript's Applications

Java Application.png

  • JavaScript is employed for web-based apps that run on Internet/web browsers. It has, however, been utilized in a variety of applications outside of the web. Let's look at the most crucial:

  • It is the language of choice for creating interactive web pages.

  • It's used to make games and applications that run in the browser.

  • It aids in the creation of mobile apps.

  • It aids with the creation and management of server applications.

  • It's been employed in robotics and wristwatch apps.

What Is The Difference Between Java and JavaScript?

Let's go through the differences between JavaScript and Java. The most significant distinction is that:-

  • JavaScript – Scripting Language, whereas Java - programming language.

  • Java is used in various places, including Android app development, embedded devices, and business software. On the other hand, JavaScript is widely used to make web surfing more engaging for users.

  • Both languages use distinct methods for coding, assembly, and execution. While Java may be used to create stand-alone apps, JavaScript code is found in the script>.../script> element on a web page or in a browser-based/mobile app.

  • Java is also utilized as the backbone of many server-side applications. On the other hand, JavaScript is often executed on the client-side web browser. It doesn't exist independently and doesn't run outside of a browser or bundled program.

  • The file extension for the source code file is ".java". This is the file transformed into a Java bytecode file, also known as a class file. "Source code" refers to whatever you physically code. The software is run in binary format, which was produced from the source code of the original application. The web browser receives the JavaScript code in its original text form, which then runs the script.


I hope you now have a clear understanding of the distinctions between Java and JavaScript. While they have certain similarities, they are not linked in any way. They function in distinct ways.

Both, however, offer features that make them suited for one or the other growth scenario. While Java is more comprehensive, quicker, and better suited to app development, JavaScript is lighter and more suited to interactive apps. So, whether it's Java or JavaScript, choose the language that best suits your development needs.

Did you like this article?

Fawzan Hussain

An SEO consultant and the CEO of Seooptimizekeywords.com. With over a decade of experience in the industry, I'm passionate about helping businesses achieve their online marketing goals through effective SEO strategies.

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