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Diffstat (limited to 'src/Q5/EmployeeSavings.java')
| -rw-r--r-- | src/Q5/EmployeeSavings.java | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/src/Q5/EmployeeSavings.java b/src/Q5/EmployeeSavings.java deleted file mode 100644 index e4b067d..0000000 --- a/src/Q5/EmployeeSavings.java +++ /dev/null @@ -1,184 +0,0 @@ -/** - * Assignment 1, COMP268 Class: EmployeeSavings.java - * - * @description Represents an employee savings account. - * @author: mo khan Student ID: 3431709 - * @date May 8, 2019 - * @version 1.0 - */ -package Q5; - -import Q1.*; -import java.util.ArrayList; -import java.util.Currency; -import java.util.Locale; -import java.util.Random; - -public class EmployeeSavings extends AddressBook { - private double accountValue; - private double[] monthlyInterests; - private double[] monthlySavings; - private double monthlyContribution; - public static final double ANNUAL_INTEREST_RATE = 0.05; - - /** - * Constructs an EmployeeSavings object with a randomly generated monthly contribution. - * - * @param firstName the first name of the runner - * @param lastName the last name of the runner - */ - public EmployeeSavings(String firstName, String lastName) { - this(firstName, lastName, new Random().nextInt(800 - 100) + 100.0); - } - - /** - * Constructs an EmployeeSavings object - * - * @param firstName the first name of the runner - * @param lastName the last name of the runner - * @param monthlyContribution the monthly contribution to the savings account - */ - public EmployeeSavings(String firstName, String lastName, double monthlyContribution) { - super(firstName, "", lastName); - this.monthlyContribution = monthlyContribution; - this.accountValue = predictBalanceAfterMonths(12); - } - - /** - * Constructs an EmployeeSavings object - * - * @param firstName the first name of the runner - * @param lastName the last name of the runner - * @param d1 unknown - * @param d2 unknown - */ - public EmployeeSavings(String firstName, String lastName, double[] d1, double[] d2) { - super(firstName, "", lastName); - } - - /** - * Return the predicted value of the account after 12 months. - * - * @return the predicted account value after 12 months - */ - public double getAccountValue() { - return this.accountValue; - } - - /** - * Return an array of the predicted interest earned for each month in the upcoming year. - * - * @return the predicted interest earned for each month - */ - public double[] getMonthlyInterests() { - return this.monthlyInterests; - } - - /** - * Return an array of the predicted monthly savings earned for each month in the upcoming year. - * - * @return the predicted monthly savings earned for each month - */ - public double[] getMonthlySavings() { - return this.monthlySavings; - } - - /** - * Return an array of the predicted interest earned for each month in the upcoming year. - * - * @return the predicted interest earned for each month - */ - public double[] calculateInterests() { - this.monthlyInterests = new double[12]; - for (int i = 1; i <= 12; i++) this.monthlyInterests[i - 1] = predictInterestAfterMonths(i); - return this.monthlyInterests; - } - - /** - * Return an array of the predicted monthly savings earned for each month in the upcoming year. - * - * @return the predicted monthly savings earned for each month - */ - public double[] generateMonthlySavings() { - this.monthlySavings = new double[12]; - for (int i = 1; i <= 12; i++) this.monthlySavings[i - 1] = predictBalanceAfterMonths(i); - return this.monthlySavings; - } - - /** - * Predicts the balance of an accounts after n months. - * - * @param months The # of months from now to predict a balance for. - * @return the predicted balance - */ - public double predictBalanceAfterMonths(int months) { - double monthlyRate = ANNUAL_INTEREST_RATE / 12.0; - double balance = 0; - - for (int i = 0; i < months; i++) - balance = (balance + this.monthlyContribution) * (1 + monthlyRate); - - return Math.round(balance * 1000) / 1000.0; - } - - /** - * Predicts the interest of an accounts after n months. - * - * @param months The # of months from now to predict the interest for. - * @return the predicted interest - */ - public double predictInterestAfterMonths(int months) { - double totalBalance = predictBalanceAfterMonths(months); - double totalContributions = (months * this.monthlyContribution); - - return Math.round((totalBalance - totalContributions) * 1000) / 1000.0; - } - - /** - * Generates a report that can be printed to the console. - * - * @param accounts the list of accounts to print a statement for - * @return a string that represents a report for the accounts given. - */ - public static String getReport(EmployeeSavings[] accounts) { - ArrayList<String> statement = new ArrayList<String>(); - - for (EmployeeSavings account : accounts) statement.add(account.toString()); - - return String.join(System.lineSeparator(), statement); - } - - /** - * Returns The first name, and predicted account balance after 12 months. - * - * @return a string that represents a summary for an account. - */ - @Override - public String toString() { - Currency currency = Currency.getInstance(Locale.getDefault()); - return String.format( - "%s %s%.2f", super.getFirstName(), currency.getSymbol(), this.getAccountValue()); - } - - public static void main(String[] args) { - EmployeeSavings[] accounts = { - new EmployeeSavings("Elena", "Brandon"), - new EmployeeSavings("Thomas", "Molson"), - new EmployeeSavings("Hamilton", "Winn"), - new EmployeeSavings("Suzie", "Sarandin"), - new EmployeeSavings("Philip", "Winne"), - new EmployeeSavings("Alex", "Trebok"), - new EmployeeSavings("Emma", "Pivoto"), - new EmployeeSavings("John", "Lenthen"), - new EmployeeSavings("James", "Lean"), - new EmployeeSavings("Jane", "Ostin"), - new EmployeeSavings("Emily", "Car"), - new EmployeeSavings("Daniel", "Hamshire"), - new EmployeeSavings("Neda", "Bazdar"), - new EmployeeSavings("Aaron", "Smith"), - new EmployeeSavings("Kate", "Hen") - }; - - System.out.print(EmployeeSavings.getReport(accounts)); - } -} |