Bank Management - Part 6

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Goal: create the Bank class.

Task 1

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Create a Bank class inside Bank.java.

Task 2

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The Bank class defines two fields:

• ArrayList<Account> accounts;
• ArrayList<Transaction> transactions;

Task 3

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Add a constructor that receives no parameters. Your constructor will initialize each ArrayList.

Task 4

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Define the following method:

    /**
     * Name: addAccount
     * @param account (Account)
     * 
     * Inside the function:
     *   1. adds an account to the accounts ArrayList
     */

Because Account is abstract, you will not be able to create a new Account copy. So, what's the solution?

Task 5

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Inside the Account class, create an abstract method called clone().

    public abstract Account clone();

This will force every child to override a clone() method.

Task 6

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Override the clone() method inside every child class. The purpose of clone() is to return a new copy of the current object: this.

Task 7

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Add the following snippet inside main().

  Chequing chequing = new Chequing("f84c43f4-a634-4c57-a644-7602f8840870", "Michael Scott", 1524.51);
  Account chequingCopy = chequing.clone();

  Savings savings = new Savings("ce07d7b3-9038-43db-83ae-77fd9c0450c9", "Saul Goodman", 2241.60);
  Account savingsCopy = savings.clone();

Test your clone() method by adding four breakpoints and visualizing the runtime. Confirm that clone() returns a copy of the object.

Task 8

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Revisit task 4 and fix addAccount().

Good Luck!

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