Three simple steps
How to use this tool?
This free online converter translates Go source code into Java in three simple steps.
- Step 1
Add your Go code
Type, paste, or upload the Go code you want to translate.
- Step 2
Convert the code
Click Convert to translate the source code into Java.
- Step 3
Review the result
Review, copy, or download the resulting Java code from the output editor.
See it in action
Examples of Go to Java conversion
These examples show Go source code and the corresponding Java 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.
Go code
Java code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Go code
Java code
Language comparison
Key differences between Go and Java
| Characteristic | Go | Java |
|---|---|---|
| Syntax | Golang has a simpler and more concise syntax compared to Java. | Java has a more verbose syntax compared to Golang. |
| Paradigm | Golang is a statically typed, imperative, and procedural language with support for object-oriented programming concepts. | Java is a statically typed, object-oriented language with support for imperative and procedural programming concepts. |
| Typing | Golang is a statically typed language, which means that the type of a variable is determined at compile time. | Java is a statically typed language, which means that the type of a variable is determined at compile time. |
| Performance | Golang is known for its high performance and efficient memory management. | Java is also known for its performance, but it may not be as efficient as Golang in certain scenarios. |
| Libraries and frameworks | Golang has a smaller standard library compared to Java, but it has a growing number of third-party libraries and frameworks. | Java has a large standard library and a vast ecosystem of third-party libraries and frameworks. |
| Community and support | Golang has a growing community and good support from Google, which created the language. | Java has a large and established community with strong support from Oracle, which maintains the language. |
| Learning curve | Golang has a relatively low learning curve due to its simple syntax and small standard library. | Java has a steeper learning curve compared to Golang due to its verbose syntax and large standard library. |
Common questions
Frequently Asked Questions
How do I convert Go to Java?
Paste your Go code into the input box, confirm the languages are set to Go and Java, and click Convert. CodeConvert AI analyzes your Go code and generates equivalent Java code in seconds, preserving the original logic and structure.
What are the main differences between Go and Java?
Go and Java differ in syntax, type system, standard libraries, and common idioms, so copying code line for line usually will not compile. The converter maps each Go construct to its closest Java equivalent. See the comparison table below for the key differences between Go and Java.
Is the converted Java code accurate?
The AI produces high-quality Java code that preserves the behavior of your original Go code and follows Java conventions. It handles common patterns, data structures, and idioms for both Go and Java. For large or performance-critical code, review and test the Java output before using it in production.
Can I convert an entire Go project to Java?
You can convert Go 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 Go to Java. Signing in for free raises the input limit to 25,000 characters per conversion for larger files.
Can I convert Java back to Go?
Yes. CodeConvert AI converts in both directions, so you can convert Java to Go just as easily using our Java to Go converter. Try the Java to Go Converter
Is the Go to Java 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 Go to Java 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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