In this challenge, we'll implement an Account class along with two derived classes, Savings and Current. Problem Statement# Write a code that has: ● A parent class named Account. ○ Inside it define: ■ a protected double member balance ■ public void Withdraw(double amount) ■ public void Deposit(double amount) ■ public void printBalance() ● Then, there are two derived classes ○ Savings class ■ has a private member interestRate set to 0.8 ■ Withdraw(double amount) deducts amount from balance with interestRate ■ Deposit(double amount) adds amount in balance with interestRate ■ printBalance() displays the balance in the account ○ Current class ■ Withdraw(double amount) deducts amount from balance ■ Deposit(double amount) adds amount in balance ■ printBalance() displays the balance in the account Input# ● In the Savings class, balance is set to 50000 in the parametrized constructor ● In the Current class, balance is set to 50000 in the parametrized constructor Output# Balance before withdrawing from the savings account Balance after withdrawing from the savings account Balance before withdrawing from the current account Balance after withdrawing from the current account Sample Input# / creating savings account object Account SAccount = new Savings(50000); SAccount.Deposit(1000); SAccount.printBalance(); SAccount.Withdraw(3000); SAccount.printBalance(); System.out.println(); // creating current account object Account CAccount = new Current(50000); CAccount.Deposit(1000); CAccount.printBalance(); CAccount.Withdraw(3000); CAccount.printBalance(); Sample Output# Balance in your saving account: 51800.0 Balance in your saving account: 46400.0 Balance in your current account: 51000.0 Balance in your current account: 48000.0

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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In this challenge, we'll implement an Account class along with two derived classes, Savings and Current. Problem Statement# Write a code that has: ● A parent class named Account. ○ Inside it define: ■ a protected double member balance ■ public void Withdraw(double amount) ■ public void Deposit(double amount) ■ public void printBalance() ● Then, there are two derived classes ○ Savings class ■ has a private member interestRate set to 0.8 ■ Withdraw(double amount) deducts amount from balance with interestRate ■ Deposit(double amount) adds amount in balance with interestRate ■ printBalance() displays the balance in the account ○ Current class ■ Withdraw(double amount) deducts amount from balance ■ Deposit(double amount) adds amount in balance ■ printBalance() displays the balance in the account Input# ● In the Savings class, balance is set to 50000 in the parametrized constructor ● In the Current class, balance is set to 50000 in the parametrized constructor Output# Balance before withdrawing from the savings account Balance after withdrawing from the savings account Balance before withdrawing from the current account Balance after withdrawing from the current account Sample Input# / creating savings account object Account SAccount = new Savings(50000); SAccount.Deposit(1000); SAccount.printBalance(); SAccount.Withdraw(3000); SAccount.printBalance(); System.out.println(); // creating current account object Account CAccount = new Current(50000); CAccount.Deposit(1000); CAccount.printBalance(); CAccount.Withdraw(3000); CAccount.printBalance(); Sample Output# Balance in your saving account: 51800.0 Balance in your saving account: 46400.0 Balance in your current account: 51000.0 Balance in your current account: 48000.0

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