Your best bet is to rewrite the code.
Any automated conversion would, at best, yield poor-quality and unmaintainable code.
CodeConvert AI
codeconvert.ai › c-to-java-converter
Free C to Java Converter — AI Code Translation | CodeConvert AI
This free online converter lets you convert code from C to Java in a click of a button.
Syntha
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Free C to Java Code Converter | Online Programming Language Transformer
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Mtsystems
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mtSystems - C Source Code to Java Source Code Translation
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codeconvert.ai
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Free C to Java Converter — AI Code Translation | CodeConvert AI
Is the C++ to Java converter free?
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codeconvert.ai
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codeconvert.ai
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Free C++ to Java Converter — AI Code Translation | CodeConvert AI
Experts Exchange
experts-exchange.com › questions › 10137238 › C-to-Java-converter.html
Solved: C-to-Java converter ? | Experts Exchange
March 9, 1999 - I would suggest wapping your C code with either C++ code (and provide the native access code in Java) or in Java. Meaning embed your structured code in an OO code and then when you have time, start converting the native code to Java code. I assume you have good OO people, if not hire some.
GitHub
github.com › twiglet › cs2j
GitHub - twiglet/cs2j: C# to Java Converter · GitHub
CS2J is the most advanced C# to Java conversion tool available today. - CS2J produces good looking, maintainable Java software from your C# source code. - It uses a powerful, extensible template system to translate .NET Framework and 3rd party ...
Starred by 172 users
Forked by 75 users
Languages C# 82.7% | Java 17.3%
Favtutor
favtutor.com › c-to-java-converter
Free C to Java Converter Online
Use this AI tool by FavTutor to convert C code to Java programming language online in a single click for free.
Top answer 1 of 7
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Your best bet is to rewrite the code.
Any automated conversion would, at best, yield poor-quality and unmaintainable code.
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The C view of the world does not mix well with the Java view of the world. If you really want to compile to a form executable by Java, have a look at NestedVM - http://nestedvm.ibex.org/ - which is a cross compiler compiling to a MIPS-dialect which can then easily be "run" in Java either through interpretation or by conversion to actual bytecode reflecting the original MIPS-instructions.
I would recommend getting a Java version of the code.
Sololearn
sololearn.com › en › Discuss › 2735702 › how-to-convert-following-c-code-to-java
how to convert following c code to java | Sololearn: Learn to code for FREE!
As Java has no pointer data types, it is impossible to use pointers in Java, you must to use collection or dynamic array Please read https://www.oracle.com/java/technologies/simple-familiar.html ... Karthikeyan Collection is a best option.
Tangiblesoftwaresolutions
tangiblesoftwaresolutions.com
Source Code Converters
Source code converters: Convert between C#, C++, Java, and VB with the most accurate and reliable source code converters
CNET
download.cnet.com › c-to-java-converter › 3000-2213_4-10080009.html
C To Java Converter for Windows - Free download and software reviews - CNET Download
February 26, 2026 - great tool, all of my C code is now Java. this tool amazingly completed a months worth of work of code translation and porting in a few hours. Novosoft are amazing people. cant wait for the next version. ... Translate C code sources into Java classes with this application. The C2J converter ...
CNET
download.cnet.com › lightning-cc-to-java-converter › 3000-2352_4-78706382.html
Lightning C/C++ To Java Converter for Windows - Free download and software reviews - CNET Download
December 4, 2023 - Lightning C/C++ To Java Converter is a powerful AI tool that converts thousands of lines of C and C++ code to Java code per second. GUI types, event handling, threads, file I/O and pointers are some of the most noteworthy features from C and C++ that are converted by this software.
Quora
quora.com › How-can-I-convert-a-C-program-into-Java-or-Python
How to convert a C program into Java or Python - Quora
You can try to use a transpiler which “compiles” from C to Java. You will have to make adjustments, but it should be no too big deal. If the program is hardware dependent like a hardware driver, the answer is no. ... What is the best way to convert Python to Java, assuming that performance, ...
Tangiblesoftwaresolutions
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C++ to Java Converter
C++ to Java Converter accurately converts C++ code to Java, saving valuable time. Free desktop and online versions - safer and more accurate than other online converters.
Javainuse
javainuse.com › cpp2java
Online C++ Code to Java Converter
Please add javainuse.com to your ad blocking whitelist or disable your adblocking software. � · Online tool to convert C++ source code into Java.
CodingFleet
codingfleet.com › code-converter › c › java
C to Java Converter - CodingFleet
Convert your C Code to Java. This exceptional AI-powered tool converts your C code into Java code easily, eliminating the need for manual re-coding. Save your precious time and unlock cross-platform development like never before with our converter tool.
GitHub
github.com › danfickle › cpp-to-java-source-converter
GitHub - danfickle/cpp-to-java-source-converter: A translator to convert C++ to Java. A work in progess. · GitHub
A translator to convert C++ to Java. A work in progess. - danfickle/cpp-to-java-source-converter
Starred by 51 users
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Languages Java 94.0% | C++ 6.0%
Sololearn
sololearn.com › en › Discuss › 2207501 › c-to-java-converter
C to Java Converter | Sololearn: Learn to code for FREE!
You can invoke a C program from Java code via JNI (Java Native Interface) https://developer.ibm.com/technologies/java/tutorials/j-jni/ And there is also GraalVM, a new polyglot virtual machine that enables interaction between a variery of ...
Top answer 1 of 4
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It's going to be challenging to convert a C program into Java automatically. The differences between C and Java means that you can't just convert line by line. A few example:
- C does not support classes, but classes are a fundamental concept of Java.
- C has a huge pointer syntax, Java doesn't.
There are many, many differences between C and Java, so I doubt that any program will do a good job of the conversion.
That said, there are a few project thats attempt this:
http://www.soften.ktu.lt/~stonis/c2java/
http://tech.novosoft-us.com/product_c2j.jsp
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If you want to run it as Java you will have to have a JVM!
As for translation, try looking at NestedVM.
EDIT: Your title says one thing, your question asks the opposite. This answers the question C → Java question you originally asked.