// Textbook fragment 01.05
  /** Counts the number of times an integer appears in an array. */
  public static int findCount(int[] a, int k) {
    int count = 0;
    for (int e: a) {    // note the use of the "foreach" loop
      if (e == k)       // check if the current element equals k
        count++;
    }
    return count;
  }