Free Online Java to F# Code Converter

Instantly convert code snippets from Java to F# with our free online code converter. Transform your code easily and accurately.

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  1. Paste your Java code snippet into the input box.
  2. Click the "Convert" button to transform your code.
  3. Our AI-powered converter will instantly translate your Java code to F#.
  4. Copy the converted F# code and use it in your project.

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About Java

Java is a high-level programming language developed by Sun Microsystems. It was originally designed for developing programs for set-top boxes and handheld devices, but later became a popular choice for creating web applications.

About F#

F# is a functional-first programming language that makes it easy to write correct and maintainable code.

Palindrome Check Example: Java vs F#

Palindrome Check in Java

public class PalindromeChecker {
    public static boolean isPalindrome(String str) {
        String cleanStr = str.toLowerCase().replaceAll("[^a-z0-9]", "");
        return cleanStr.equals(new StringBuilder(cleanStr).reverse().toString());
    }

    public static void main(String[] args) {
        System.out.println(isPalindrome("A man, a plan, a canal: Panama")); // true
        System.out.println(isPalindrome("race a car")); // false
    }
}

Palindrome Check in F#

open System

let isPalindrome (str: string) =
    let clean = String.Join("", str.ToLower().ToCharArray()
                |> Array.filter Char.IsLetterOrDigit)
    clean = String(clean.ToCharArray() |> Array.rev)

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

Bubble Sort Example: Java vs F#

Bubble Sort in Java

public class BubbleSort {
    public static void bubbleSort(int[] arr) {
        int n = arr.length;
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < n - i - 1; j++) {
                if (arr[j] > arr[j + 1]) {
                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
        }
    }

    public static void main(String[] args) {
        int[] arr = {64, 34, 25, 12, 22, 11, 90};
        bubbleSort(arr);
        System.out.println(Arrays.toString(arr));
    }
}

Bubble Sort in F#

let bubbleSort (arr: int array) =
    let n = Array.length arr
    for i in 0 .. n - 1 do
        for j in 0 .. n - i - 2 do
            if arr.[j] > arr.[j + 1] then
                let temp = arr.[j]
                arr.[j] <- arr.[j + 1]
                arr.[j + 1] <- temp
    arr

let arr = [|64; 34; 25; 12; 22; 11; 90|]
bubbleSort arr |> Array.iter (printf "%d ")

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