Make UML Class Diagrams:

A BankAccount class with
  Fields:
    - accountHolder of type String
    - balance of type double
  Methods:
    - A constructor that takes an
      account holder's name and an
      initial balance in the form
      of a String variable, and a
      double variable

A Bank class with
  Fields:
    - An array of BankAccount type called aList
  Methods:
    - a function that returns nothing, takes no
      parameters, and is called printAverage

BankAccount should belong to the Bank class