(The Account class) Design a class named Account that contains: 1A private int data field name for the account (default 0). I A private double data field named balance for the account (defaul 1A private double data field named annuallnterestRate that stores the current interest rate (de 0). 1 Assume all accounts have the same interest rate. IA private Date data field named dateCreated that stores the date when the account was created. IA no-arg constructor that cre a default account. IA constructor that creates an account with the specified id and initial balan The accessor and mutator methods for id, balance, and annuallnterestRate. I The accessor met for dateCreated. 1 A method named getMonthlylnterestRate() that returns the monthly interes rate. I A method named getMonthlylnterest() that returns the monthly interest. A method na withdraw that withdraws a specified amount from the account. I A method named deposit tha deposits a specified amount to the account.

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
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(The Account class) Design a class named Account that contains: 1 A private int data field named id
for the account (default 0). I A private double data field named balance for the account (default 0).
1A private double data field named annuallnterestRate that stores the current interest rate (default
0). 1 Assume all accounts have the same interest rate. IA private Date data field named
dateCreated that stores the date when the account was created. A no-arg constructor that creates
a default account. I A constructor that creates an account with the specified id and initial balance.
The accessor and mutator methods for id, balance, and annuallnterestRate. I The accessor method
for dateCreated. 1 A method named getMonthlylnterestRate() that returns the monthly interest
rate. I A method named gętMonthlylnterest() that returns the monthly interest. A method named
withdraw that withdraws a specified amount from the account. I A method named deposit that
deposits a specified amount to the account.
Draw the UML diagram for the class and then implement the class. (Hint: The method
getMonthlylnterest() is to return monthly interest, not the interest rate. Monthly interest is balance
* monthlylnterestRate. monthlylnterestRate is annuallnterestRate/ 12. Note that
annuallnterestRate is a percentage, e.g., like 4.5%. You need to divide it by 100.) Write a test
program that creates an Account object with an account ID of 1122, a balance of $20,000, and an
annual interest rate of 4.5%. Use the withdraw method to withdraw $2,500, use the deposit method
to deposit $3,000, and print the balance, the monthly interest, and the date when this account was
created.
Transcribed Image Text:(The Account class) Design a class named Account that contains: 1 A private int data field named id for the account (default 0). I A private double data field named balance for the account (default 0). 1A private double data field named annuallnterestRate that stores the current interest rate (default 0). 1 Assume all accounts have the same interest rate. IA private Date data field named dateCreated that stores the date when the account was created. A no-arg constructor that creates a default account. I A constructor that creates an account with the specified id and initial balance. The accessor and mutator methods for id, balance, and annuallnterestRate. I The accessor method for dateCreated. 1 A method named getMonthlylnterestRate() that returns the monthly interest rate. I A method named gętMonthlylnterest() that returns the monthly interest. A method named withdraw that withdraws a specified amount from the account. I A method named deposit that deposits a specified amount to the account. Draw the UML diagram for the class and then implement the class. (Hint: The method getMonthlylnterest() is to return monthly interest, not the interest rate. Monthly interest is balance * monthlylnterestRate. monthlylnterestRate is annuallnterestRate/ 12. Note that annuallnterestRate is a percentage, e.g., like 4.5%. You need to divide it by 100.) Write a test program that creates an Account object with an account ID of 1122, a balance of $20,000, and an annual interest rate of 4.5%. Use the withdraw method to withdraw $2,500, use the deposit method to deposit $3,000, and print the balance, the monthly interest, and the date when this account was created.
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