Exercise: modification of the class BankAccount

Specification:

Modify the class to handle bank accounts developed in Unit 4 in such a way that the a withdrawal is only done if enough money is available. Add also the following methods:

• a method sameOwner to verify whether two objects of the class BankAccount have the same owner (i.e., the same name and surname);
• a method transferTo that, given a bank account and an amount, transfers the amount to the bank account, handling also the case where not enough money is available for the transfer;
• a method transferFrom that, given a bank account and an amount, transfers the amount from the bank account, handling also the case where not enough money is available for the transfer.

Example of usage:

public class TestBankAccount {

  public static void main(String[] args) {
     BankAccount ba1 = new BankAccount("Mario", "Rossi");
     BankAccount ba2 = new BankAccount("Carla", "Verdi");
     BankAccount ba3 = new BankAccount("Carla", "Verdi");
     System.out.println("Do ba1 and ba2 have the same owner? " +
                        ba1.sameOwner(ba2));
     System.out.println("Do ba2 and ba3 have the same owner? " +
                        ba2.sameOwner(ba3));
     ba1.deposit(1000);
     ba2.deposit(500);
     ba3.deposit(750);
     System.out.println("Before the transfer ...");
     System.out.println(ba1);
     System.out.println(ba2);
     ba1.transferTo(ba2, 250);
     System.out.println("After the transfer...");
     System.out.println(ba1);
     System.out.println(ba2);
  }
}