protected void btnCalculateLoan_Click(object sender, EventArgs e)
{
double remainder;
int term, payments;
if (double.TryParse(txtAmount.Text, out remainder))
{
if (int.TryParse(txtTerm.Text, out term))
{
Loan loan = new Loan(Convert.ToDouble(txtAmount.Text), Convert.ToDouble(txtInterest.Text), Convert.ToInt32(txtTerm.Text), Convert.ToInt32(ddlCurrency.SelectedValue));
loan.InsertLoan();
lblMessage.Text = "Monthly Payment: " + Convert.ToString(loan.CalculatePayment());
DataTable dt = new DataTable();
DataColumn dc = new DataColumn();
if (dt.Columns.Count == 0)
{
dt.Columns.Add("Payment", typeof(string));
dt.Columns.Add("Collateral", typeof(string));
dt.Columns.Add("Interest", typeof(string));
dt.Columns.Add("Remainder", typeof(string));
}
payments = term * 12;
for (int i = 1; i <= payments; i++)
{
double collateral;
collateral = loan.CalculatePayment() - loan.CalculateInterest(remainder);
remainder -= collateral;
DataRow newRow = dt.NewRow();
newRow[0] = i.ToString();
newRow[1] = collateral;
newRow[2] = loan.CalculateInterest(remainder);
newRow[3] = remainder;
dt.Rows.Add(newRow);
}
grdLoanData.DataSource = dt;
grdLoanData.DataBind();
}
else
{
lblMessage.Text = "Set a numeric term.";
}
}
else
{
lblMessage.Text = "Set a numeric amount.";
}
}
public static void Main()
{
Loan individualLoad = new Loan()
{
Balance = 1505.20m,
Customer = new Individual(),
MonthlyInterestRate = 12.3m
};
var individualLoanInterestForSixMonths = individualLoad.CalculateInterest(new IndividualLoanProvider(), 6);
Console.WriteLine("12.3 * 6 = " + 12.3m * 6);
Console.WriteLine("12.3 * (6-3) = " + individualLoanInterestForSixMonths);
Mortgage individualMortgage = new Mortgage()
{
Balance = 123.123m,
Customer = new Individual(),
MonthlyInterestRate = 9.5m
};
var individualMortgageInterestForEightMonths = individualMortgage.CalculateInterest(new IndividualMortgageProvider(), 8);
Console.WriteLine("9.5 * 8 = " + 9.5m * 8);
Console.WriteLine("9.5 * (8-6) = " + individualMortgageInterestForEightMonths);
}
static void Main()
{
Deposit deposit = new Deposit(new Individual("Phili Fry"), 5000m, 5);
deposit.DepositIn(1000m);
Console.WriteLine(deposit.Balance);
deposit.Withdraw(1500m);
Console.WriteLine(deposit.Balance);
Console.WriteLine(deposit.CalculateInterest(5));
Console.WriteLine("-------------------");
Loan loan = new Loan(new Individual("James"), 2000m, 20);
loan.DepositIn(2000m);
Console.WriteLine(loan.Balance);
Console.WriteLine(loan.CalculateInterest(5));
Console.WriteLine("-------------------");
Loan companyLoan = new Loan(new Company("Telecom"), 2000m, 20);
companyLoan.DepositIn(3000m);
Console.WriteLine(companyLoan.Balance);
Console.WriteLine(companyLoan.CalculateInterest(5));
Console.WriteLine("-------------------");
Mortgage mortgage = new Mortgage(new Individual("Bart"), 2000m, 20);
mortgage.DepositIn(3000m);
Console.WriteLine(mortgage.Balance);
Console.WriteLine(mortgage.CalculateInterest(8));
Console.WriteLine("-------------------");
Mortgage companyMortgate = new Mortgage(new Company("Airline"), 2000m, 20);
Console.WriteLine(companyMortgate.CalculateInterest(16));
}
static void Main()
{
Console.WriteLine("Enter number");
int number = int.Parse(Console.ReadLine());
try
{
for (int count = 0; count < number; count++)
{
Console.WriteLine("Enter customer kind"); //true equals to individual, and false to company
bool customerKind = bool.Parse(Console.ReadLine());
Console.WriteLine("Enter customer name");
string customerName = Console.ReadLine();
Customer customer = new Customer(customerKind, customerName);
Console.WriteLine("Enter interest rate");
float currentInterestRate = float.Parse(Console.ReadLine());
Console.WriteLine("Enter account balance");
double currentBalance = double.Parse(Console.ReadLine());
Deposit deposit = new Deposit(customer, currentInterestRate, currentBalance);
Loan loan = new Loan(customer, currentInterestRate, currentBalance);
Mortgage mortgage = new Mortgage(customer, currentInterestRate, currentBalance);
Console.WriteLine("Enter start month");
byte startMonth = byte.Parse(Console.ReadLine());
Console.WriteLine("Enter end month");
byte endMonth = byte.Parse(Console.ReadLine());
Console.WriteLine("Interest for the deposit is {0}", deposit.CalculateInterest(startMonth, endMonth));
Console.WriteLine("Interest for the loan is {0}", loan.CalculateInterest(startMonth, endMonth));
Console.WriteLine("Interest for the morgage is {0}", mortgage.CalculateInterest(startMonth, endMonth));
}
}
catch (ArgumentException ae)
{
Console.WriteLine(ae.Message);
}
}
public void CreateLoan_AddMinus5Interest_ShouldThrowExceptionWithMessage()
{
Loan loan = new Loan();
ArgumentException ae = Assert.ThrowsException <ArgumentException>(() => loan.CalculateInterest(-0.05));
Assert.AreEqual("Interest rate should be a positive double value", ae.Message);
}
public void CreateLoan_Add5Interest_AmountShouldBe1050()
{
Loan loan = new Loan();
loan.CalculateInterest(0.05);
Assert.AreEqual(1050, loan.Amount);
}
public void CreateLoan_AddInterest_ShouldBe_UsingDynamicData(double initialAmount, double interestRate, double newAmount)
{
// Arrange
Loan loan = new Loan(initialAmount);
// Act
loan.CalculateInterest(interestRate);
// Assert
Assert.AreEqual(newAmount, loan.Amount);
}
static void Main(string[] args)
{
Deposit deposit = new Deposit(new Individual("me", 123), 499, 0.1m, 2);
Console.WriteLine(deposit.InterestRate);
deposit.Deposit(10);
Console.WriteLine(deposit.Balance);
Loan myLoan = new Loan(new Company("MT", 11), 1000, 0.3m, 2);
Console.WriteLine(myLoan.CalculateInterest());
var morgage = new Mortgage(new Individual("me again", 1), 1000, 0.1m, 7);
Console.WriteLine(morgage.CalculateInterest());
morgage = new Mortgage(new Company("me ET", 1), 2000, 0.4m, 7);
Console.WriteLine(morgage.CalculateInterest());
}
public static void Main()
{
CompanyCustomer company = new CompanyCustomer("Company");
IndividualCustomer pesho = new IndividualCustomer("Pesho");
IndividualCustomer ivan = new IndividualCustomer("Ivan");
IAccount peshoLoan = new Loan(pesho, 2500, 6.5m);
IAccount companyMortgage = new Mortgage(company, 15000, 8.8m);
IAccount ivanDeposit = new Deposit(ivan, 8000, 3.5m);
List<IAccount> myAccounts = new List<IAccount>{peshoLoan, companyMortgage, ivanDeposit};
Bank bigBank = new Bank(myAccounts);
Console.WriteLine();
bigBank.ListAllAccounts();
Console.WriteLine();
bigBank.InterestForAll(12);
Console.WriteLine("\nPesho's interest for 30 months: {0}", peshoLoan.CalculateInterest(30));
Console.WriteLine();
}
public static void Main()
{
Console.Title = "Problem 2. Bank of Kurtovo Konare";
Deposit goshoDeposit = new Deposit(Customer.Individuals, 1000m, 0.05m);
goshoDeposit.DepositMoney(450);
goshoDeposit.WithdrawMoney(400);
Console.WriteLine(goshoDeposit + "Interest = " + goshoDeposit.CalculateInterest(10));
Console.WriteLine();
Loan carskiZaem = new Loan(Customer.Companies, 50000m, 0.1m);
carskiZaem.DepositMoney(1);
Console.WriteLine(carskiZaem + "Interest = " + carskiZaem.CalculateInterest(5));
Console.WriteLine();
Mortgage bmwPesho = new Mortgage(Customer.Individuals, 10000m, 0.01m);
bmwPesho.DepositMoney(5000);
Console.WriteLine(bmwPesho + "Interest = " + bmwPesho.CalculateInterest(30));
}
static void Main()
{
try
{
Deposit deposit = new Deposit(Customer.Company, 20000m, 3.4m);
deposit.Withdraw(345m);
deposit.DepositMoney(1000m);
deposit.CalculateInterest(10);
Console.WriteLine("Deposit:\n{0}", deposit);
Loan loanIndividual = new Loan(Customer.Individual, 1000m, 20m);
loanIndividual.DepositMoney(3000m);
loanIndividual.CalculateInterest(5);
Console.WriteLine("Loan individual:\n{0}", loanIndividual);
Loan loanCompalny = new Loan(Customer.Company, 200000m, 5m);
loanCompalny.DepositMoney(30000m);
loanCompalny.CalculateInterest(4);
Console.WriteLine("Loan company:\n{0}", loanCompalny);
Mortage mortageIndividual = new Mortage(Customer.Individual, 500, 3.3m);
mortageIndividual.DepositMoney(200m);
mortageIndividual.CalculateInterest(7);
Console.WriteLine("Mortage individual:\n{0}", mortageIndividual);
Mortage mortageCompany = new Mortage(Customer.Company, 50000, 4m);
mortageIndividual.DepositMoney(2000m);
mortageIndividual.CalculateInterest(13);
Console.WriteLine("Mortage individual:\n{0}", mortageIndividual);
}
catch (OverflowException ex)
{
Console.WriteLine(ex.Message);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine(ex.Message);
}
}
static void Main(string[] args)
{
try
{
Deposit deposit = new Deposit(Customer.Company, 20000m, 3.4m);
deposit.Withdraw(345m);
deposit.DepositMoney(1000m);
deposit.CalculateInterest(10);
Console.WriteLine("Deposit:\n{0}", deposit);
Loan loanIndividual = new Loan(Customer.Individual, 1000m, 20m);
loanIndividual.DepositMoney(3000m);
loanIndividual.CalculateInterest(5);
Console.WriteLine("Loan individual:\n{0}", loanIndividual);
Loan loanCompalny = new Loan(Customer.Company, 200000m, 5m);
loanCompalny.DepositMoney(30000m);
loanCompalny.CalculateInterest(4);
Console.WriteLine("Loan company:\n{0}", loanCompalny);
Mortage mortageIndividual = new Mortage(Customer.Individual, 500, 3.3m);
mortageIndividual.DepositMoney(200m);
mortageIndividual.CalculateInterest(7);
Console.WriteLine("Mortage individual:\n{0}", mortageIndividual);
Mortage mortageCompany = new Mortage(Customer.Company, 50000, 4m);
mortageIndividual.DepositMoney(2000m);
mortageIndividual.CalculateInterest(13);
Console.WriteLine("Mortage individual:\n{0}", mortageIndividual);
}
catch (OverflowException ex)
{
Console.WriteLine(ex.Message);
}
catch (ArgumentOutOfRangeException ex)
{
Console.WriteLine(ex.Message);
}
}
public void CreateLoan_AddMinus5Interest_ShouldThrowException()
{
Loan loan = new Loan();
Assert.ThrowsException <ArgumentException>(() => loan.CalculateInterest(-0.05));
}
static void Main()
{
var loan = new Loan(new Individuals("Pesho"), 2000, 0.29m);
loan.CalculateInterest(4);
}
static void Main()
{
// Innstance of an individual and a Company customer
Customer cust1 = new Individual("Misho", "Sofia", "541010");
Customer cust2 = new Company("Albireo", "Plovdiv", "BG1211121121");
// Deposit account-Individual customer
Deposit account01 = new Deposit(cust1, 0.5);
Console.WriteLine("Open new deposit for Individual. Starting ammount ->{0}", account01.Balance);
account01.DepositMoney(1500);
Console.WriteLine("Deposit 1500. Ammount ->{0}", account01.Balance);
account01.WithdrawMoney(400);
Console.WriteLine("Withdraw 400. Ammount ->{0}", account01.Balance);
account01.CalculateInterest(5);
Console.WriteLine("Calculate interest of {1}% for 5 months. Ammount ->{0}", account01.Balance, account01.InterestRate);
account01.WithdrawMoney(600);
Console.WriteLine("Withdraw 600. Ammount ->{0}", account01.Balance);
account01.CalculateInterest(3);
// 0% interest when balance is below 1000
Console.WriteLine("Calculate interest of {1}% for 3 months. Ammount ->{0}", account01.Balance, account01.InterestRate);
Console.WriteLine();
//Loan account - Company
Loan account02 = new Loan(cust2, 11000, 1);
Console.WriteLine("Open new loan for a company. Ammount -> {0}", account02.Balance);
account02.DepositMoney(3000);
Console.WriteLine("Deposit 3000. Ammount -> {0}", account02.Balance);
account02.CalculateInterest(2);
// 0% interest or the first 2 months
Console.WriteLine("Calculate interest of {1}% for 2 months. Ammount ->{0}", account02.Balance, account02.InterestRate);
account02.CalculateInterest(5);
Console.WriteLine("Calculate interest of {1}% for 5 months. Ammount ->{0}", account02.Balance, account02.InterestRate);
Console.WriteLine();
//Loan Account - Individual
Loan account03 = new Loan(cust1, 1000, 1.2);
Console.WriteLine("Open new loan for an individual. Ammount -> {0}", account03.Balance);
account03.DepositMoney(100);
Console.WriteLine("Deposit 100. Ammount -> {0}", account03.Balance);
// 0% interest or the first 3 months
account03.CalculateInterest(3);
Console.WriteLine("Calculate interest of {1}% for 3 months. Ammount ->{0}", account03.Balance, account03.InterestRate);
account03.CalculateInterest(5);
Console.WriteLine("Calculate interest of {1}% for 5 months. Ammount ->{0}", account03.Balance, account03.InterestRate);
Console.WriteLine();
//Mortgage account - Individual
Mortgage account04 = new Mortgage(cust1, 50000, 0.6);
Console.WriteLine("Open new mortgage for an individual. Ammount -> {0}", account04.Balance);
// 0% interest or the first 6 months
account04.CalculateInterest(6);
Console.WriteLine("Calculate interest of {1}% for 6 months. Ammount ->{0}", account04.Balance, account04.InterestRate);
account04.CalculateInterest(7);
Console.WriteLine("Calculate interest of {1}% for 7 months. Ammount ->{0}", account04.Balance, account04.InterestRate);
account04.DepositMoney(1500);
Console.WriteLine("Deposit 1500. Ammount -> {0}", account04.Balance);
Console.WriteLine();
// Mortgage account - Company
Mortgage account05 = new Mortgage(cust2, 500000, 0.4);
Console.WriteLine("Open new mortgage for a company. Ammount -> {0}", account05.Balance);
account05.CalculateInterest(10);
Console.WriteLine("Calculate interest of {1}% for 10 months. Ammount ->{0}", account05.Balance, account05.InterestRate);
account05.CalculateInterest(15);
Console.WriteLine("Calculate interest of {1}% for 15 months. Ammount ->{0}", account05.Balance, account05.InterestRate);
account05.DepositMoney(5000);
Console.WriteLine("Deposit 5000. Ammount -> {0}", account05.Balance);
}