Method swap

src/main/java/com/thealgorithms/others/BFPRT.java:173–177

Swaps two elements in an array. @param arr the input array @param i the index of the first element @param j the index of the second element

(int[] arr, int i, int j)

     * @param j the index of the second element
     */
    public static void swap(int[] arr, int i, int j) {
        int temp = arr[i];
        arr[i] = arr[j];
        arr[j] = temp;
    }
}