Chapter 16, Problem 7E

Explanation of Solution

Program method

• A method is a set of code which is referred to by name and can be called or invoked at any point in a program simply by utilizing the method’s name.
• A method can take in data or parameters and return a value both parameters and return values are optional.
• Methods can be public, private or protected.
• The method that deletes tge last value and returns the deleted value is

  public int deleteBack()

  {

  if (front == null)

  {

  throw new NoSuchElementException("empty list");

  }

  int result = 0;

  if (front...