import java.util.ArrayList;
import java.util.Scanner;
public class CSE205_Assignment01 {
private static Scanner in = new Scanner(System.in);
public static void main(String[] args) {
ArrayList<BankAccount> accounts = new ArrayList<BankAccount>();
int menuChoice = 0;
while (menuChoice != 9)
{
displayMainMenu();
menuChoice = getMenuChoice();
switch (menuChoice)
{
case 1: // add account
addAccount(accounts);
break;
case 2: // make a credit
makeCredit(accounts);
break;
case 3: // make a debit
makeDebit(accounts);
break;
case 4: // transfer funds
transferFunds(accounts);
break;
case 5: // view account details
viewAccountDetails(accounts);
break;
case 6: // apply monthly interest
applyMonthlyInterest(accounts);
break;
case 9: // exit program
exitProgram();
break;
default:
handleMenuError();
break;
}
}
}
private static void displayMainMenu() {
System.out.println("----------------------------");
System.out.println("1) add account");
System.out.println("2) make a credit");
System.out.println("3) make a debit");
System.out.println("4) transfer funds");
System.out.println("5) view account details");
System.out.println("6) apply monthly interest");
System.out.println("9) exit program");
System.out.println();
}
private static int getMenuChoice() {
System.out.print("---> ");
while(! in.hasNextInt() )
{
in.nextLine();
System.out.print("---> ");
}
int menuChoice = in.nextInt();
return menuChoice;
}
private static void addAccount(ArrayList<BankAccount> accounts) {
int menuChoice = 0;
while (menuChoice != 9)
{
displayAccountTypeMenu();
menuChoice = getMenuChoice();
switch (menuChoice)
{
case 1: // savings account
addSavingsAccount(accounts);
return;
case 2: // checking account
addCheckingAccount(accounts);
return;
case 3: // creditcard account
addCreditcardAccount(accounts);
return;
case 9: // cancel add account
exitProgram();
break;
default:
handleMenuError();
break;
}
}
}
private static void displayAccountTypeMenu() {
System.out.println("----------------------------");
System.out.println("1) savings account");
System.out.println("2) checking account");
System.out.println("3) creditcard account");
System.out.println("9) cancel add account");
System.out.println();
}
private static void addSavingsAccount(ArrayList<BankAccount> accounts) {
SavingsAccount newAccount = new SavingsAccount();
setBasicAccountData(newAccount);
accounts.add(newAccount);
}
private static void addCheckingAccount(ArrayList<BankAccount> accounts) {
CheckingAccount newAccount = new CheckingAccount();
setBasicAccountData(newAccount);
newAccount.setOverdraftFee(getOverdrafftFee());
accounts.add(newAccount);
}
private static void addCreditcardAccount(ArrayList<BankAccount> accounts)
{
CreditcardAccount newAccount = new CreditcardAccount();
setBasicAccountData(newAccount);
newAccount.setCreditLimitInPennies(getCcreditLimitInPennies());
accounts.add(newAccount);
}
private static void setBasicAccountData(BankAccount newAccount) {
newAccount.setAccountNumber(getAccountNumber());
newAccount.setInterestRate(getInterestRate());
}
private static String getAccountNumber() {
System.out.print("Account number : ");
String accountNumber = in.next();
return accountNumber;
}
private static double getInterestRate() {
System.out.print("Interest rate : ");
double interestRate = in.nextDouble();
return interestRate;
}
private static int getOverdrafftFee() {
System.out.print("Overdraft fee (pennies) : ");
int overdraftFee = in.nextInt();
return overdraftFee;
}
private static int getCcreditLimitInPennies() {
System.out.print("Credit Limit (pennies) : ");
int creditlimit = in.nextInt();
return creditlimit;
}
private static void makeCredit(ArrayList<BankAccount> accounts) {
String accountNumber = getAccountNumber();
int amount = getAmountInPennies();
for (BankAccount account : accounts)
if (account.getAccountNumber().equals(accountNumber))
account.credit(amount);
}
private static void makeDebit(ArrayList<BankAccount> accounts) {
String accountNumber = getAccountNumber();
int amount = getAmountInPennies();
for (BankAccount account : accounts)
if (account.getAccountNumber().equals(accountNumber))
{
if (! account.debit(amount))
System.out.println("*** Debit failed - Insuficient
funds or credit! ***");
break;
}
}
private static void transferFunds(ArrayList<BankAccount> accounts) {
System.out.print("Account to transer funds FROM - ");
String fromAccountNumber = getAccountNumber();
System.out.print("Account to transer funds TO - ");
String toAccountNumber = getAccountNumber();
int amount = getAmountInPennies();
BankAccount fromAccount = null, toAccount = null;
for (BankAccount account : accounts) {
if (account.getAccountNumber().equals(fromAccountNumber))
fromAccount = account;
if (account.getAccountNumber().equals(toAccountNumber))
toAccount = account;
}
if (toAccount != null && fromAccount != null &&
fromAccount.getBalanceInPennies() >= amount) {
fromAccount.debit(amount);
toAccount.credit(amount);
}
else
System.out.println("*** transfer failed - Invalid account
number or insufficient funds!");
}
private static int getAmountInPennies() {
System.out.print("Amount (in pennies) : ");
int amount = in.nextInt();
return amount;
}
private static void viewAccountDetails(ArrayList<BankAccount> accounts) {
String accountNumber = getAccountNumber();
for (BankAccount account : accounts)
if (account.getAccountNumber().equals(accountNumber))
{
System.out.println(account.getAccountInfoAsString());
}
}
private static void applyMonthlyInterest(ArrayList<BankAccount> accounts)
{
for (BankAccount account : accounts)
account.applyInterest();
}
private static void exitProgram() {
System.out.println("*** Exiting program! ***");
}
private static void handleMenuError() {
System.out.println("*** Invalid menu choice! ***");
}
}
Powered by TCPDF (www.tcpdf.org)
