Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Define a java Name class with attributes: String firstname, middle name, lastname.

Include the following methods:

- A constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor.

- getter and setter methods for all attributes

- override toString method

Define a class called DebitCard. A debit card has a card number, Name and balance.

  1. a) Include a constructor with 3 parameters. Initialize the 3 member variables to the parameters being passed. Also, include the default constructor.
  1. b) Include getters/setters for all attributes.
  2. c) Add the following member functions:
  • float inquireBalance()
  • float depositCash(float amount)

//increases the balance with amount

  •  boolean withdrawCash(float amount)

// returns true if sufficient amount is available for withdrawal and decreases the balance by amount

  • float interest(float rate)

//calculates the interest rate incurred. Assume the parameter rate is considered as annual interest. Update the balance available.

  1. d) Override the toString() method

 

In a separate class called TestClass, define a main method which will work as follows:

Enter name: <<Juan dela Cruz>>

Enter account number: A101-1125

Enter beginning balance: 1000.00

DEBIT CARD TRANSACTION

[1] Deposit Cash

[2] Wihdraw Cash

[3] Inquire Balance

[4] Calculate Interest Rate

[5] Exit

Your choice: 1

Enter amount: 500.50

Enter name: <<Juan dela Cruz>>

Enter account number: A101-1125

Enter beginning balance: 1500.50

DEBIT CARD TRANSACTION

[1] Deposit Cash

[2] Wihdraw Cash

[3] Inquire Balance

[4] Calculate Interest Rate

[5] Exit

Your choice: 2

Enter amount: 200.00

Enter name: <<Juan dela Cruz>>

Enter account number: A101-1125

Enter beginning balance: 1300.50

DEBIT CARD TRANSACTION

[1] Deposit Cash

[2] Wihdraw Cash

[3] Inquire Balance

[4] Calculate Interest Rate

[5] Exit

Your choice: 2

Enter amount: 1500.00

INSUFFICIENT FUNDS

DEBIT CARD TRANSACTION

[1] Deposit Cash

[2] Wihdraw Cash

[3] Inquire Balance

[4] Calculate Interest Rate

[5] Exit

Your choice: 3

Enter name: <<Juan dela Cruz>>

Enter account number: A101-1125

Enter beginning balance: 1300.50

DEBIT CARD TRANSACTION

[1] Deposit Cash

[2] Wihdraw Cash

[3] Inquire Balance

[4] Calculate Interest Rate

[5] Exit

Your choice: 4

Enter rate: 3.5

Interest Incurred: 3.79

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