BubbleSort.java

public class BubbleSort {

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