Free Online Groovy to Kotlin Code Converter

Instantly convert code snippets from Groovy to Kotlin with our free online code converter. Transform your code easily and accurately.

How to Use Our Groovy to Kotlin Code Converter

Paste your Groovy code snippet into the input box.
Click the "Convert" button to transform your code.
Our AI-powered converter will instantly translate your Groovy code to Kotlin.
Copy the converted Kotlin code and use it in your project.

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We prioritize your code's security and privacy. Your code is not stored on our servers and is only temporarily processed for conversion. We use OpenAI's secure servers for the conversion process, ensuring your code remains confidential.

About Groovy

Apache Groovy is a Java-syntax-compatible object-oriented programming language for the Java platform.

About Kotlin

Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference.

Palindrome Check Example: Groovy vs Kotlin

Palindrome Check in Groovy

def isPalindrome(String str) {
    def clean = str.toLowerCase().replaceAll(/[^a-z0-9]/, '')
    return clean == clean.reverse()
}

# Example usage
println isPalindrome("A man, a plan, a canal: Panama") // true
println isPalindrome("race a car") // false

Palindrome Check in Kotlin

fun isPalindrome(str: String): Boolean {
    val clean = str.lowercase().filter { it.isLetterOrDigit() }
    return clean == clean.reversed()
}

fun main() {
    println(isPalindrome("A man, a plan, a canal: Panama")) // true
    println(isPalindrome("race a car")) // false
}

Bubble Sort Example: Groovy vs Kotlin

Bubble Sort in Groovy

def bubbleSort(arr) {
    def n = arr.size()
    n.times { i ->
        (n - i - 1).times { j ->
            if (arr[j] > arr[j + 1]) {
                def temp = arr[j]
                arr[j] = arr[j + 1]
                arr[j + 1] = temp
            }
        }
    }
    return arr
}

def arr = [64, 34, 25, 12, 22, 11, 90]
println bubbleSort(arr.clone())

Bubble Sort in Kotlin

fun bubbleSort(arr: IntArray) {
    val n = arr.size
    for (i in 0 until n) {
        for (j in 0 until n - i - 1) {
            if (arr[j] > arr[j + 1]) {
                val temp = arr[j]
                arr[j] = arr[j + 1]
                arr[j + 1] = temp
            }
        }
    }
}

fun main() {
    val arr = intArrayOf(64, 34, 25, 12, 22, 11, 90)
    bubbleSort(arr)
    println(arr.joinToString(" "))
}