Three simple steps
How to use this tool?
This free online converter translates Java source code into Fortran in three simple steps.
- Step 1
Add your Java code
Type, paste, or upload the Java code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Fortran.
- Step 3
Review the result
Review, copy, or download the resulting Fortran code from the output editor.
See it in action
Examples of Java to Fortran conversion
These examples show Java source code and the corresponding Fortran translation. Generated results can vary as AI models are updated.
Example 1
Is String Palindrome
Program that checks if a string is a palindrome or not.
Java code
Fortran code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Java code
Fortran code
Language comparison
Key differences between Java and Fortran
| Characteristic | Java | Fortran |
|---|---|---|
| Syntax | Java has a C-style syntax, which is similar to C++ and C#. It uses curly braces to define blocks of code and semicolons to end statements. | Fortran has a unique syntax that is different from most other programming languages. It uses keywords and statements that are specific to Fortran. |
| Paradigm | Java is an object-oriented programming language that supports imperative, functional, and concurrent programming paradigms. | Fortran is a procedural programming language that supports imperative programming paradigms. |
| Typing | Java is a statically typed language, which means that the data type of a variable is determined at compile time. | Fortran is a statically typed language, which means that the data type of a variable is determined at compile time. |
| Performance | Java is known for its good performance due to its Just-In-Time (JIT) compiler, which compiles bytecode into machine code at runtime. | Fortran is known for its excellent performance in scientific and engineering applications due to its efficient memory management and optimized compilers. |
| Libraries and frameworks | Java has a vast collection of libraries and frameworks, including Spring, Hibernate, and Apache Struts, which make it easy to develop complex applications. | Fortran has a limited collection of libraries and frameworks compared to Java, but it has libraries for scientific and engineering applications, such as LAPACK and BLAS. |
| Community and support | Java has a large and active community of developers and users, and it is supported by Oracle, which provides regular updates and bug fixes. | Fortran has a smaller community compared to Java, but it is still actively used in scientific and engineering applications, and it is supported by vendors such as Intel and IBM. |
| Learning curve | Java has a moderate learning curve, and it is relatively easy to learn for programmers who are familiar with C++ or C#. | Fortran has a steep learning curve, and it is more challenging to learn compared to Java due to its unique syntax and limited resources for learning. |
Common questions
Frequently Asked Questions
How do I convert Java to Fortran?
Paste your Java code into the input box, confirm the languages are set to Java and Fortran, and click Convert. CodeConvert AI analyzes your Java code and generates equivalent Fortran code in seconds, preserving the original logic and structure.
What are the main differences between Java and Fortran?
Java and Fortran differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Java construct to its closest Fortran equivalent. See the comparison table below for the key differences between Java and Fortran.
Is the converted Fortran code accurate?
The AI produces high-quality Fortran code that preserves the behavior of your original Java code and follows Fortran conventions. It handles common patterns, data structures, and idioms for both Java and Fortran. For large or performance-critical code, review and test the Fortran output before using it in production.
Can I convert an entire Java project to Fortran?
You can convert Java files one at a time by pasting each file's code. For a full migration, convert each file and then review how classes, dependencies, and project structure map from Java to Fortran. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Fortran back to Java?
Yes. CodeConvert AI converts in both directions, so you can convert Fortran to Java just as easily using our Fortran to Java converter. Try the Fortran to Java Converter
Is the Java to Fortran converter free, and do I need to install anything?
Yes, it is free and runs in your browser with nothing to install and no IDE extension required. You can convert Java to Fortran without an account for up to 2 conversions per day. Sign in for free for higher limits.
What are the benefits of signing in?
Signing in unlocks CodeConvert AI's Pro converter with more powerful AI models, a built-in chat assistant, code execution, saved conversion history, and personal notes. Every free account includes 5 credits and supports up to 25,000 characters of input per conversion, with no credit card required.
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