Application should be in C# programming language
Create a class called SavingsAccount. Use a static variable called annualInterestRate to store the annual interest rate for all account holders. Each object of the class contains a private instance variable savingsBalance, indicating the amount the saver currently has on deposit. Provide method CalculateMonthlyInterest to calculate the monthly interest by multiplying the savingsBalance by annualInterestRate divided by 12 – this interest should be added to savingsBalance. Provide static method setAnnualInterestRate to set the annualInterestRate to a new value. Write an application to test class SavingsAccount. Create three savingsAccount objects, saver1, saver2, and saver3 with balances of $2,000.00, $3,000.00, and 0.00, respectively. Set annualInterestRate to 4%, then calculate the monthly interest and display the new balances for both savers. Then set the annualInterestRate to 5%, calculate the next month’s interest and display the new balances for both savers.
Technical Requirements:
Create SavingsAccount class with static variable annualInterestRate and private instance variables savingsBalance (double) and savingsAccountName (string).
Create a mutator method to set the savingsAccountName. Call this method setSavingsAccountName. The method should take a string argument and return void.
Create an accessor method to retrieve the savingsAccountName. Call this method getSavingsAccountName. The method should take no arguments and return a string (i.e. the savingsAccountName).
Create a mutator method to set the savingsBalance. Call this method setSavingsBalance. The method should take a double argument and return void.
Create an accessor method to retrieve the savingsBalance. Call this method getSavingsBalance. The method should take no arguments and return a double (i.e. the savingsBalance).
Include two constructors. The first takes no arguments and sets the savingsBalance variables to zero and sets the savingsAccountName to an empty string by calling the second (i.e. two argument) constructor with 0 and an empty string. The second constructor takes one double argument (the savingsBalance) and one string argument (the savingsAccountName), and sets the savingsBalance by calling the setSavingsBalance method and setsavingsAccountName method, respectively.
Create CalculateMonthlyInterest method with formula. The method should return void.
Create setAnnualInterestRate method to take a double argument representing the annualInterestRate and return void.
Create PrintSavingsAccount method to display the savingsBalance, savingsAccountName, and annualInterestRate for an object. Use the output shown below as a guideline for the display.
Create a separate class called SavingsAccountTest, which contains the Main() method.
In the Main() method, create three savingsAccount objects called saver1, saver2, and saver3. Initialize saver1 and saver2 with the balances listed above and the names “Saver_One” and “Saver_Two”, respectively. Do not initialize saver3 with anything. Instead, create the object by invoking its zero-argument constructor, which will initialize its balance to 0 and its name to an empty string.
In the Main() method, call setAnnualInterestRate to set the interest rate to 4%.
Next, call the setSavingsAccountName for saver3 to set its name to “Saver_Three”. Then, call the setSavingsAccountBalance for saver3 to set its balance to $50,000.
Print the results by calling PrintSavingsAccount for each object.
Next, call the CalculateAnnualInterestRate method for all three saver objects.
Print the results again by calling PrintSavingsAccount for each object.
Next, change the annualInterestRate to 5% by calling the setAnnualInterestRate method.
Print the results again by calling PrintSavingsAccount for each object.
Done. I have added comments everywhere but still if you get any doubt please leave a comment I will get back to you. Output screenshot is also included.
///////////////////////////////////////SavingAccount.cs/////////////////////////////////////////////////////////
using System;
namespace AccountsApp
{
public class SavingsAccount
{
//Annual interest
rate for all account holders
private static
double annualInterestRate;
// the amount the
saver currently has on deposit
private double
savingsBalance;
private string
accountName;
//constructor with
no args. It sets balance and account name to initial values
public
SavingsAccount()
{
this.savingsBalance=0;
this.accountName="";
}
//The second
constructor takes one double argument (the savingsBalance) and one
string argument
public
SavingsAccount(double balance, string acctName){
setSavingsAccountBalance(balance);
setSavingsAccountName(acctName);
}
//sets account name
to passed values
public void
setSavingsAccountName (string name){
this.accountName=name;
}
//returns account
name
public string
getSavingAccountName(){
return
this.accountName;
}
//sets account
balance
public void
setSavingsAccountBalance(double bal){
this.savingsBalance=bal;
}
//calculate the
monthly interest
public void
CalculateMonthlyInterest(){
double
monthelyInterest = annualInterestRate/12;
double
interest
= this.savingsBalance*monthelyInterest;
double
balance = getSavingAccountBalance()+interest;
setSavingsAccountBalance(balance);
}
//sets annual
interest rate
public static void
setAnnualInterestRate(double iRate){
annualInterestRate=iRate;
}
//return saving
balamce
public double
getSavingAccountBalance(){
return
this.savingsBalance;
}
//return annual
interest
public double
getAnnualIntereset(){
return
annualInterestRate;
}
//prints all the
values
public void
PrintSavingsAccount (){
Console.WriteLine("{0,-20}
{1,5}{2,15}", getSavingAccountName(),
getSavingAccountBalance(),getAnnualIntereset());
}
}
}
/////////////////////////////////////////////End SavingAccount.cs//////////////////////////////////
////////////////////////////////////////////////////TestSavingAccounts.cs/////////////////////////////////////////////
using System;
namespace AccountsApp
{
class Program
{
public static void
Main(string[] args)
{
SavingsAccount
saver1 = new SavingsAccount(4000.0, "Saver_One");
SavingsAccount
saver2 = new SavingsAccount(5000.0, "Saver_Two");
//not
initialize saver3 with anything. Only Zero arg constructor to be
used
SavingsAccount
saver3 = new SavingsAccount();
//setAnnualInterestRate
to set the interest rate to 4%
SavingsAccount.setAnnualInterestRate(0.04);
//setSavingsAccountName
for saver3 to set its name to “Saver_Three”
saver3.setSavingsAccountName("Saver_Three");
//
set its balance to $50,000
saver3.setSavingsAccountBalance(50000.0);
Console.WriteLine("Initial
Saving account balances:");
//Print
the results by calling PrintSavingsAccount for each object.
saver1.PrintSavingsAccount();
saver2.PrintSavingsAccount();
saver3.PrintSavingsAccount();
//call
CalculateMonthlyInterest on each object
saver1.CalculateMonthlyInterest();
saver2.CalculateMonthlyInterest();
saver3.CalculateMonthlyInterest();
Console.WriteLine("Saving
account balance after calculating monthly interest at 4% :");
//Print
the results by calling PrintSavingsAccount for each object.
saver1.PrintSavingsAccount();
saver2.PrintSavingsAccount();
saver3.PrintSavingsAccount();
//set
the annualInterestRate to 5%
SavingsAccount.setAnnualInterestRate(0.05);
Console.WriteLine("Saving
account balance after calculating monthly interest at 5% :");
//Print
the results by calling PrintSavingsAccount for each object.
saver1.PrintSavingsAccount();
saver1.PrintSavingsAccount();
saver2.PrintSavingsAccount();
saver3.PrintSavingsAccount();
Console.Write("Press
any key to continue . . . ");
Console.ReadLine();
}
}
}
///////////////////////////////////////////END////////////////////////////////////////
Output Screenshot
Application should be in C# programming language Create a class called SavingsAccount. ...
Code should be in C# Create a class called SavingsAccount. Use a static variable called annualInterestRate to store the annual interest rate for all account holders. Each object of the class contains a private instance variable savingsBalance, indicating the amount the saver currently has on deposit. Provide method CalculateMonthlyInterest to calculate the monthly interest by multiplying the savingsBalance by annualInterestRate divided by 12 – this interest should be added to savingsBalance. Provide static method setAnnualInterestRate to set the annualInterestRate to a new value....
Create a .java file that has class SavingsAccount. Use a static variable annualInterestRate to store the annual interest rate for all account holders. Each object of the class contains a private instance variable savingsBalance indicating the amount the saver currently has on deposit. Provide method calculateMonthlyInterest to calculate the monthly interest by multiplying the savingsBalance by annualInterestRate divided by 12- this interest should be added to savingsBalance. Provide a static method setInterestRate that sets the annualInterestRate to a new value....
Create the class savings account. Use the static variable annualInterestRate to store the annual interest rate for all account holders. Each object of the classcontains a private instance variable savingsBalance, indicating the amount the saver currently has on deposit. Provide method CalculateMonthlyInterest to calculate themonthly interest by multiplying the savingsBalance by annualInterestRate divided by 12, this interest should be added to savingsBlance, Provide static methodModifyInterestRate to set the annualInterestRate to a new value. Write an application to test class SavingsAccount....
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