How to use this tool?

This free online converter lets you convert code from Groovy to Crystal in a click of a button. To use this converter, take the following steps -

  1. Type or paste your Groovy code in the input box.
  2. Click the convert button.
  3. The resulting Crystal code from the conversion will be displayed in the output box.

Examples

The following are examples of code conversion from Groovy to Crystal using this converter. Note that you may not always get the same code since it is generated by an AI language model which is not 100% deterministic and gets updated from time to time.

Example 1 - Is String Palindrome

Program that checks if a string is a palindrome or not.

Groovy

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Crystal

Example 2 - Even or Odd

A well commented function to check if a number if odd or even.

Groovy

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Crystal

Key differences between Groovy and Crystal

CharacteristicGroovyCrystal
SyntaxGroovy has a syntax similar to Java with additional features like closures and dynamic typing.Crystal has a syntax inspired by Ruby with a focus on simplicity and readability.
ParadigmGroovy is a multi-paradigm language that supports both object-oriented and functional programming.Crystal is a statically-typed, object-oriented language with a focus on simplicity and performance.
TypingGroovy is dynamically typed, allowing for flexible and concise code.Crystal is statically typed, providing better performance and compile-time type checking.
PerformanceGroovy is slower than Java due to its dynamic nature and runtime overhead.Crystal is designed for performance and can be as fast as C or C++.
Libraries and frameworksGroovy has a wide range of libraries and frameworks available, including Grails and Spock.Crystal has a smaller ecosystem compared to Groovy, but it can interoperate with existing C libraries.
Community and supportGroovy has an active community and good support from its developers.Crystal has a growing community, but it may have less support and resources compared to more established languages.
Learning curveGroovy has a relatively low learning curve, especially for Java developers.Crystal has a moderate learning curve, with similarities to Ruby and other C-style languages.