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fields can be anything.

1.1 Introduction The purpose of this tab is to give you practice with the new concepts introduced through the Shape example, such as polymorphism and sub: typing through the concept of protocols (known as interfaces in Javal. We will also explore some early-stage code reuse via inheritance (using abstract classes). 1.2 What to do For this lab, you will design and implement the start of a banking solution for a neighborhood bank. There are two types of accounts the bank wants you to implement one called SayinesAccount and one called CheckoutAccount Both accounts can do the following Create a new account by specifying a starter amount of money to open it with. The starter amount must be greater than or equal to one cent Do this: Create a constructor that takes a single double representing the starter amount" for the account. Deposit into their account Do this: Create a method that takes a single double representing the amount deposited into the account. If the amount specifed is negative, throw an illegalArgumentException Withdraw from their account. Do this: Create a method withdraw that reduces the account balance by the amount specified. Return true if the transaction is successful, false otherwise Check their balance. Create a method getBalance that returns a double (the current account balance) Non customer behavior you must implement: Bank administrators can perform monthly maintenance to assess monthly fees and give a "clean slate" for the subsequent month Do this: Create a performMonthly Maintenance method to charge any fees and then reset transaction counters to zero. Do this: Create a toString method that prints the account balance in dollars/cents format (e.g: $10,00)