Answered: Create a class named “BankAccount” that…

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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Question

Inheritance in Java

Create a class named “BankAccount” that has the attributes bank, accountNumber, accountName. Implement setters and getters for these attributes.
Create two classes: “DebitAccount” and “CreditAccount”, which both inherit from BankAccount.

DebitAccount class has the following additional attributes and methods:

double balance - cannot be negative

setter and getter for balance

withdraw(double amount) - subtracts balance with the said amount and displays new balance. Does not do anything if amount is greater than balance

deposit(double amount) - adds amount to balance and displays new balance

CreditAccount class has the following additional attributes and methods:

double creditBalance - can be negative

setter and getter for balance

pay(double amount) - subtracts creditbalance and displays new creditBalance

interest(double rate) - adds (creditBalance * percentage) to creditBalance

Note: 1 = 100% for rate

Inputs

1. Char input for type of account (D/C)

2. Following lines are operations

- {amount} : for withdraw and pay methods + {amount/rate} : for deposit and interest 0 if stop

+ 5000

- 5500

+ 700

Sample Output

Enter account type: D

Enter operation 1: + 5000

Balance: 5000

Enter operation 2: - 5500

Balance: 5000

Enter operation 3: + 700

Balance: 5700

Enter operation 4: 0 Stopping...

Test Cases
Test Cases
Test Case 1
Your Output
No Output
Expected Output
Enter account type: D
Enter operation 1: + 5000
Balance: 5000
Enter operation 2: - 5500
Balance: 5000
Enter operation 3: + 700
Balance: 5700
Enter operation 4: 0
Stopping...

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