public void addOne(int n) {
  try {
    myArray[n] += 1;
  } // end try
  catch (ArrayIndexOutOfBoundsException e) {
    System.out.println("The element you requested, " +
                        n + ", is not available.");
  } // end catch
} // end addOne


public void addValue(int n, int value) {
  try {
    for (int i = 1; i <= value; i++) {
      addOne(n);
    } // end for
  } // end try
  catch (ArrayIndexOutOfBoundsException e) {
    System.out.println("The element you requested, " +
                       n + " is not available.");
    e.printStackTrace();
  } // end catch
} // end addValue