Bubblesort.java

public class BubbleSort {

    public static void bubbleSort(int[] arr) {
        int n = arr.length;
        boolean swapped;

        for (int i = 0; i < n - 1; i++) {
            swapped = false;

            // Each pass will bubble up the largest element to the end
            for (int j = 0; j < n - i - 1; j++) {
                if (arr[j] > arr[j + 1]) {
                    // Swap elements if they are in the wrong order
                    int temp = arr[j];
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                    swapped = true;
                }
            }

            // If no swaps were made in this pass, the array is already sorted
            if (!swapped) {
                break;
            }
        }
    }

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

        bubbleSort(arr);
        System.out.println("Sorted array: " + Arrays.toString(arr));
    }
}