Create Customer.java
Create Customer.java

1. Create a Customer class:
 Data members include the customer last name, customer number, balance, and phone number.  

 Create two constructors, one which accepts last name, customer number, balance, and phone number. 

 Create a default constructor.

 In the customer class, there are several methods
              1. withdraw() method

              2. Deposit() method

              3. addInterest (add 4.5 percent interest to all customer’s accounts whenever this method is invoked).

              4. addNewCustomer (add a new customer to the customer array). 

              5. nameSort (sort the customer array in alphabetical order by name. Use the select sort).

              6. findIndex (locate a customer in the customer array based on a given name. Return the index of the customer found. If no customer is found, return a -1).

              7. deleteCustomer (delete a customer in the customer array based on a given name).  
              
              8. toString () method.

              9. accessors and mutator methods for the data members.
hanminthu/BankAccount,HanThu/BankAccount