How to use this tool?
This free online converter lets you convert code from JavaScript to Java in a click of a button. To use this converter, take the following steps -
- Type or paste your JavaScript code in the input box.
- Click the convert button.
- The resulting Java code from the conversion will be displayed in the output box.
Key differences between JavaScript and Java
Characteristic | JavaScript | Java |
---|---|---|
Syntax | JavaScript has a C-style syntax with curly braces, while also supporting functional programming features such as anonymous functions and closures. | Java has a syntax similar to C++, with curly braces and semicolons to end statements. It is an object-oriented language with a focus on strong typing. |
Paradigm | JavaScript is a multi-paradigm language that supports both object-oriented and functional programming styles. | Java is an object-oriented language that supports imperative and declarative programming styles. |
Typing | JavaScript is a dynamically typed language, meaning that variable types are determined at runtime. | Java is a statically typed language, meaning that variable types are determined at compile time. |
Performance | JavaScript is generally slower than Java due to its interpreted nature and lack of native multithreading support. | Java is generally faster than JavaScript due to its compiled nature and support for native multithreading. |
Libraries and frameworks | JavaScript has a vast array of libraries and frameworks available, including React, Angular, and Vue for front-end development, and Node.js for back-end development. | Java has a wide range of libraries and frameworks available, including Spring and Hibernate for enterprise development, and Android for mobile development. |
Community and support | JavaScript has a large and active community with many online resources and forums available for support. | Java has a large and active community with many online resources and forums available for support. |
Learning curve | JavaScript has a relatively low learning curve due to its forgiving nature and the abundance of online resources available. | Java has a steeper learning curve due to its strong typing and more complex syntax, but there are many resources available for learning. |