Three simple steps
How to use this tool?
This free online converter translates Scala source code into Java in three simple steps.
- Step 1
Add your Scala code
Type, paste, or upload the Scala 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 Scala to Java conversion
These examples show Scala 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.
Scala code
Java code
Example 2
Even or Odd
A well commented function to check if a number if odd or even.
Scala code
Java code
Language comparison
Key differences between Scala and Java
| Characteristic | Scala | Java |
|---|---|---|
| Syntax | Scala has a concise and expressive syntax that allows developers to write less code compared to Java. | Java has a more verbose syntax compared to Scala. |
| Paradigm | Scala supports both object-oriented and functional programming paradigms. | Java supports only object-oriented programming paradigm. |
| Typing | Scala has a strong static type system that allows for type inference. | Java also has a strong static type system but does not support type inference. |
| Performance | Scala is generally faster than Java due to its support for functional programming and immutability. | Java is slower than Scala due to its lack of support for functional programming and immutability. |
| Libraries and frameworks | Scala has a smaller community compared to Java, but it still has a good number of libraries and frameworks available. | Java has a much larger community compared to Scala, and therefore has a vast number of libraries and frameworks available. |
| Community and support | Scala has a smaller community compared to Java, but it still has a good number of active contributors and support forums. | Java has a much larger community compared to Scala, and therefore has a vast number of active contributors and support forums. |
| Learning curve | Scala has a steeper learning curve compared to Java due to its support for functional programming and complex syntax. | Java has a relatively easy learning curve compared to Scala due to its simpler syntax and widespread use in the industry. |
Common questions
Frequently Asked Questions
How do I convert Scala to Java?
Paste your Scala code into the input box, confirm the languages are set to Scala and Java, and click Convert. CodeConvert AI analyzes your Scala code and generates equivalent Java code in seconds, preserving the original logic and structure.
What are the main differences between Scala and Java?
Scala 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 Scala construct to its closest Java equivalent. See the comparison table below for the key differences between Scala and Java.
Is the converted Java code accurate?
The AI produces high-quality Java code that preserves the behavior of your original Scala code and follows Java conventions. It handles common patterns, data structures, and idioms for both Scala and Java. For large or performance-critical code, review and test the Java output before using it in production.
Can I convert an entire Scala project to Java?
You can convert Scala 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 Scala 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 Scala?
Yes. CodeConvert AI converts in both directions, so you can convert Java to Scala just as easily using our Java to Scala converter. Try the Java to Scala Converter
Is the Scala 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 Scala 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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