Java is the most popular programming language and these days JavaScript is also gaining popularity. Different apps are built-in JavaScript these days. In this blog, I will the main differences between Java and JavaScript.
What is Java?
The multi-platform, object-oriented, and network-centric, programming language is called Java. It is a commonly used programming language. It was first released by Sun Microsystem in 1995. And later on, was acquired by Oracle Corporation. It follows the principle of WORA(Write once run anywhere).
Also Read- Java vs Python: Top 23 differences between Java and Python
What is JavaScript?
JavaScript is considered as lightweight programming aka scripting language With JavaScript, you can create interactive web pages. JavaScript tends to insert dynamic text into HTML. It follows the rules of client-side programming, so it runs in the user’s web browser without the need for any resources from the web server.
You can also use JavaScript with other technologies like REST APIs, XML, and more. Nowadays JavaScript also uses technologies like Node js. It is considered as a cross-platform language.
Also, Read- Top 7 Programming Languages to learn in 2023
Difference between Java and JavaScript
Key Points |
Java |
JavaScript |
| Language type | Java is the object-oriented language | JavaScript is the object scripting language |
| Extension | Here .java extension is used | Here .js extension is used |
| Variable Definition | Java is a strongly typed language, so the variable should be declared first before using it in the program.
|
JavaScript is a weakly typed language, so its variable can be declared where they are used. |
| Static | Dynamic | |
| uses |
|
|
| Declaration | Here declaration of data type is done | Here declaration is not done |
| objects | Objects are class-based | Objects are prototyped based. |
Key differences – Java vs JavaScript
- Java is a strongly typed language while JavaScript is a weakly typed language.
- Java has a file extension “.Java,” whereas Javascript has the file extension “.js”
- Java is compiled on the server before execution on the client while JavaScript is interpreted by the client.
- With Java, you follow the WORA principle that writes code once and runs it on almost any computing platform whereas in, Java script is a cross-platform language.
- Java code must be compiled whereas JavaScript code is all-text.
- JavaScript code is run on a browser only, while Java creates applications that execute in a VM or browser.
- Java is a multi-platform, object-oriented, and network-centric, programming language whereas JavaScript is a scripting language that helps you create interactive web pages.
- Java is a static language while JavaScript is a dynamic language.
Also Try: Free Java MCQ Test
Final thoughts
In this article, I have discussed the differences between Java and JavaScript. I hope this works for you. If you are still facing issues, kindly ask in the comment section.
