Phase III

-   Added:
    -   AccountInterface
    -   CheckingAccount
    -   SavingsAccount
-   Converted Account to abstract class
-   All instance variables are validated via exception handling
This commit is contained in:
ds.731
2025-01-02 15:48:07 -06:00
parent 65963450ab
commit 4973d45198
15 changed files with 535 additions and 239 deletions

View File

@@ -1,182 +1,344 @@
/* Phase II */
/* Phase III */
package bankAcctApp;
import java.util.ArrayList;
import java.util.InputMismatchException;
public class BankAcctApp {
public static void main(String[] args) {
// Create ArrayLists for the Customer and Account classes. Each ArrayList will store the instances
// created of its respective class, appending each new instance to the end of the list.
ArrayList<Customer> customers = new ArrayList<>();
public static void main(String[] args) {
ArrayList<Customer> customers = new ArrayList<>();
ArrayList<Account> accounts = new ArrayList<>();
boolean moreCustomers = true;
// Create the loop that keeps adding Customer and Account instances until
// the user chooses to quit.
// Add customers and accounts
while (moreCustomers) {
// Create instances of the both the Customer and Account classes.
// These will be stored in their respective class' ArrayList.
Customer customer = new Customer();
Account account = new Account();
// Customer Information:
Customer customer = new Customer();
Account account = null;
int inputCount = 0;
System.out.println("Enter details for new customer:\n");
// Collect and validate user input for Customer ID info.
try {
customer.setID(DataEntry.inputStringWithLimit("Customer ID (max 5 chars): ", 5));
} catch (IllegalArgumentException e){
System.out.println("Customer ID must be 5 alphanumeric characters only. Try again.");
}
// Collect and validate user input for Social Security Number (SSN).
try {
customer.setSSN(DataEntry.inputNumericString("SSN (9 numeric chars): ", 9));
} catch (IllegalArgumentException e) {
System.out.println("SSN must be exactly 9 digits. Try again.");
}
// Collect and validate user input for Last Namee.
try {
customer.setLastName(DataEntry.inputStringWithLimit("Last Name (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("Last Name must not contain numbers (0-9) or special characters "
+ "(!@#$%^&*(){}[]|). Try again.");
}
// Collect and validate user input for First Name.
try {
customer.setFirstName(DataEntry.inputStringWithLimit("First Name (max 15 chars): ", 15));
} catch (IllegalArgumentException e) {
System.out.println("First Name must not contain numbers (0-9) "
+ "or special characters (!@#$%^&*(){}[]|). Try again.");
}
// Collect and validate user input for Street Address.
try {
customer.setStreet(DataEntry.inputStringWithLimit("Street (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("Street must be no more than 20 characters consisting of "
+ "numbers, letters, spaces, and \" . , - ' \". Try again.");
}
// Collect and validate user input for City.
try {
customer.setCity(DataEntry.inputStringWithLimit("City (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("City must not contain numbers (0-9) or special characters "
+ "(!@#$%^&*(){}[]|). Try again.");
}
// Collect and validate user input for State.
try {
customer.setState(DataEntry.inputStringWithLimit("State (2 chars): ", 2));
} catch (InputMismatchException e) {
System.out.println("State must be 2 letters only. Try again.");
}
// Collect and validate user input for Zip Code.
try {
customer.setZip(DataEntry.inputNumericString("Zip (5 numeric chars): ", 5));
} catch (NumberFormatException e) {
System.out.println("Zip Code must only contain 5 digits. Try again.");
}
// Collect and validate user input for Phone Number.
try {
customer.setPhone(DataEntry.inputNumericString("Phone (10 numeric chars): ", 10));
} catch (NumberFormatException e) {
System.out.println("Phone Number must only contain 9 digits.");
}
// Store Customer information to the Customer instance.
customers.add(customer);
// Account Information:
// Collect and validate user input for Account Number.
try {
account.setAccountNumber(DataEntry.inputNumericString("Account Number (5 numeric chars): ", 5));
} catch (NumberFormatException e) {
System.out.println("Account Number can only be 5 digits. Try again.");
}
// Collect and validate user input for Account Type.
try {
boolean validAcctType = false;
while (!validAcctType) {
String input = DataEntry.inputStringWithLimit("Account type ('CHK' or 'SVG' only): ", 3);
if (input.equalsIgnoreCase("CHK") || input.equalsIgnoreCase("SAV")) {
account.setAccountType(input.toUpperCase());
validAcctType = true;
} else {
System.out.println("Input for Account Type can only be 'CHK' or 'SVG'. Try again.");
}
// Collect and validate customer ID
while (inputCount == 0) {
try {
customer.setID(DataEntry.inputStringWithLimit("Customer ID (max 5 chars): ", 5));
} catch (IllegalArgumentException e) {
System.out.println("Customer ID must be 5 alphanumeric characters only. Try again.");
continue; // retry input if invalid
}
} catch (InputMismatchException e) {
System.out.println("Invalid input. Please try again.");
inputCount++;
}
// Collect and validate user input for Service Fee.
try {
account.setSvcFee(DataEntry.inputDecimalInRange("Service Fee Amount (in dollars and cents): $", 0.00, 10.00));
} catch (InputMismatchException e) {
System.out.println("Input must be a dollar amount between $0.00 - $10.00. Try again.");
// Collect and validate SSN
while (inputCount == 1) {
try {
customer.setSSN(DataEntry.inputNumericString("SSN (9 numeric chars): ", 9));
} catch (IllegalArgumentException e) {
System.out.println("SSN must be exactly 9 digits. Try again.");
continue;
}
inputCount++;
}
// Collect and validate user input for Interest Rate.
try {
account.setInterestRate(DataEntry.inputDecimalInRange("Interest Rate (percent between 0.0% and 10.0%: ", 0.0, 10.0));
} catch (InputMismatchException e) {
System.out.println("Interest Rate must be entered as a decimial between 0.0% - 10.0%. Try again.");
// Collect and validate Last Name
while (inputCount == 2) {
try {
customer.setLastName(DataEntry.inputStringWithLimit("Last Name (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("Last Name must not contain numbers or special characters. Try again.");
continue;
}
inputCount++;
}
// Collect and validate user input for Overdraft Fee.
try {
account.setOverDraftFee(DataEntry.inputDecimal("Overdraft Fee Amount (in dollars and cents): $"));
} catch (InputMismatchException e) {
System.out.println("Input must be a dollar amount between $0.00 and $10.00");
// Collect and validate First Name
while (inputCount == 3) {
try {
customer.setFirstName(DataEntry.inputStringWithLimit("First Name (max 15 chars): ", 15));
} catch (IllegalArgumentException e) {
System.out.println("First Name must not contain numbers or special characters. Try again.");
continue;
}
inputCount++;
}
// Collect and validate user input for Current Balance.
try {
account.setBalance(DataEntry.inputDecimal("Starting Balance (in dollars and cents): $"));
} catch (InputMismatchException e) {
System.out.println("Current Balance must be in dollars and cents. Try again.");
// Collect and validate Street Address
while (inputCount == 4) {
try {
customer.setStreet(DataEntry.inputStringWithLimit("Street (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("Street must be no more than 20 valid characters. Try again.");
continue;
}
inputCount++;
}
// Add the Account class instance to the accounts ArrayList
// Collect and validate City
while (inputCount == 5) {
try {
customer.setCity(DataEntry.inputStringWithLimit("City (max 20 chars): ", 20));
} catch (IllegalArgumentException e) {
System.out.println("City must not contain numbers or special characters. Try again.");
continue;
}
inputCount++;
}
// Collect and validate State
while (inputCount == 6) {
try {
customer.setState(DataEntry.inputStringWithLimit("State (2 chars): ", 2));
} catch (IllegalArgumentException e) {
System.out.println("State must be 2 letters only. Try again.");
continue;
}
inputCount++;
}
// Collect and validate ZIP code
while (inputCount == 7) {
try {
customer.setZip(DataEntry.inputNumericString("Zip (5 numeric chars): ", 5));
} catch (IllegalArgumentException e) {
System.out.println("Zip must be exactly 5 digits. Try again.");
continue;
}
inputCount++;
}
// Collect and validate Phone Number
while (inputCount == 8) {
try {
customer.setPhone(DataEntry.inputNumericString("Phone (10 numeric chars): ", 10));
} catch (IllegalArgumentException e) {
System.out.println("Phone number must be 10 digits only. Try again.");
continue;
}
inputCount++;
}
// Add customer instance to customers ArrayList
customers.add(customer);
// Collect and validate Account Type
while (inputCount == 9) {
try {
String accountType = DataEntry.inputStringWithLimit("Account type ('CHK' or 'SAV' only): ", 3).toUpperCase();
if (accountType.equals("CHK")) {
account = new CheckingAccount();
account.setAccountType("CHK");
} else if (accountType.equals("SAV")) {
account = new SavingsAccount();
account.setAccountType("SAV");
} else {
throw new IllegalArgumentException("Account type must be 'CHK' or 'SAV'.");
}
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
inputCount++;
}
// Collect and validate Account Number
while (inputCount == 10) {
try {
account.setAccountNumber(DataEntry.inputNumericString("Account Number (5 numeric chars): ", 5));
} catch (IllegalArgumentException e) {
System.out.println("Account number must be exactly 5 digits. Try again.");
continue;
}
inputCount++;
}
// Collect and validate Service Fee Amount
while (inputCount == 11) {
try {
account.setSvcFee(DataEntry.inputDecimalInRange("Service Fee (0.00 to 10.00): $", 0.00, 10.00));
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
inputCount++;
}
// Collect and validate Interest Rate Amount
while (inputCount == 12) {
try {
account.setInterestRate(DataEntry.inputDecimalInRange("Interest Rate (0.0% to 10.0%): ", 0.0, 10.0));
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
inputCount++;
}
// Collect and validate Overdraft Fee Amount
while (inputCount == 13) {
try {
account.setOverDraftFee(DataEntry.inputDecimal("Overdraft Fee (dollars and cents): $"));
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
inputCount++;
}
// Collect and validate Starting Balance
while (inputCount == 14) {
try {
account.setBalance(DataEntry.inputDecimal("Starting Balance (dollars and cents): $"));
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
inputCount++;
}
// Add account instance to accounts ArrayList
accounts.add(account);
// Prompt user to add additional customers or quit.
String more = DataEntry.inputStringWithLimit("\nAdd another customer? (y/n): ", 1);
if (more.equalsIgnoreCase("n")) {
moreCustomers = false;
}
// Ask if more customers should be added
String more = DataEntry.inputStringWithLimit("\nAdd another customer? (y/n): ", 1);
moreCustomers = more.equalsIgnoreCase("y");
System.out.println();
}
// Print out the results so that each Customer instance and its corresponding Account instance are
// printed together, and so the program iterates through all of the instance pairs in their respective ArrayLists.
System.out.println("\n========================================\n");
for (int i = 0; i < customers.size(); i++) {
// Handle transactions
boolean addTransactionDetails = true;
// Start do-while loop add transaction details to any accounts
do {
String promptAddTransactions = DataEntry.inputStringWithLimit("Would you like to enter transaction details for an account? (y/n): ", 1).toUpperCase();
if (!promptAddTransactions.equals("Y") && !promptAddTransactions.equals("N")) {
System.out.println("Please enter 'Y' or 'N' only.");
continue; // Prompt again if invalid input
} else if (promptAddTransactions.equalsIgnoreCase("N")) {
addTransactionDetails = false; // Exit the loop and proceed to report generation
} else if (promptAddTransactions.equalsIgnoreCase("Y")) {
boolean addTransactionsToAcct = true;
// Start do-while loop to add transaction entries to a specified account
do {
// Prompt for account number
String accountNumber = DataEntry.inputNumericString("Enter Account Number (5 digits): ", 5);
// Find account and corresponding customer
Account selectedAccount = null;
Customer selectedCustomer = null;
for (int i = 0; i < accounts.size(); i++) {
if (accounts.get(i).getAccountNumber().equals(accountNumber)) {
selectedAccount = accounts.get(i);
selectedCustomer = customers.get(i);
break;
}
}
if (selectedAccount == null) {
System.out.println("Account not found. Please try again.\n");
continue; // Prompt for account number again if not found
}
// Display customer details for verification
System.out.println("Customer Information:");
System.out.println(selectedCustomer);
// Add transactions for the selected account
boolean newTransaction = true;
// Start do-while loop for "newTransactions
do {
String transaction = null;
int transactionStep = 0;
String transactionType = "";
String transactionDate = "";
try {
while (transactionStep == 0) {
transactionType = DataEntry.inputStringWithLimit("\nTransaction Type ('DEP', 'WTH', or 'INT'): ", 3).toUpperCase();
if (!transactionType.equals("DEP") && !transactionType.equals("WTH") && !transactionType.equals("INT")) {
System.out.println("Invalid transaction type. Please try again.");
} else {
transactionStep++;
}
}
} catch (IllegalArgumentException e) {
System.out.println("Type must be 'DEP', 'WTH', or 'INT' only. Try again");
}
while (transactionStep == 1) {
transactionDate = DataEntry.inputDate("Enter the transaction date (MM/DD/YYYY): ");
transactionStep++;
}
while (transactionStep == 2) {
double amount = 0;
if (!transactionType.equals("INT")) {
amount = DataEntry.inputDecimal("Transaction Amount: $");
}
try {
if (transactionType.equals("DEP")) {
selectedAccount.deposit(amount);
transaction = selectedAccount.logTransaction(transactionDate, "DEP", amount);
} else if (transactionType.equals("WTH")) {
selectedAccount.withdrawal(amount);
transaction = selectedAccount.logTransaction(transactionDate, "WTH", amount);
} else if (transactionType.equals("INT")) {
double interest = selectedAccount.applyAccruedInterest(transactionDate);
transaction = selectedAccount.logTransaction(transactionDate, "INT", interest);
}
} catch (IllegalArgumentException e) {
System.out.println(e.getMessage());
continue;
}
System.out.println(transaction + "\n");
// Ask if another transaction should be entered for this account
String anotherNewTransaction = DataEntry.inputStringWithLimit("Add another transaction for this account? (y/n): ", 1);
if (!anotherNewTransaction.equalsIgnoreCase("N") && !anotherNewTransaction.equalsIgnoreCase("Y")) {
System.out.println("Please enter 'Y' or 'N' only.");
continue;
}else if (anotherNewTransaction.equalsIgnoreCase("N")) {
newTransaction = false;
break;
}else if (anotherNewTransaction.equalsIgnoreCase("Y")) {
transactionStep = 0;
}
}
}while (newTransaction);
// Ask if another account's transactions should be entered
String otherAcctTransactions = DataEntry.inputStringWithLimit("Enter transactions for another account? (y/n): ", 1);
if (!otherAcctTransactions.equalsIgnoreCase("N") && !otherAcctTransactions.equalsIgnoreCase("y")) {
System.out.println("Please enter 'Y' or 'N' only.");
continue;
} else if (otherAcctTransactions.equalsIgnoreCase("N")) {
addTransactionsToAcct = false;
break;
}
} while (addTransactionsToAcct);
}
} while (addTransactionDetails);
// Use [int i] for both ArrayLists to ensure the correct Accounts instance is
// printed with the corresponding Customer instance.
// Generate final report (this part should be in your existing code)
System.out.println("\n------------------------------|Final Report|-------------------------------");
for (int i = 0; i < accounts.size(); i++) {
Customer customer = customers.get(i);
Account account = accounts.get(i);
System.out.println(customer + "\n");
System.out.println(customer);
System.out.println("Account Details:");
System.out.println(account);
System.out.println("---------------------------------------------------------"
+ "----------------------------------------------------------------------------");
System.out.println("Transactions:");
for (String transaction : account.getTransactionHistory()) {
System.out.println(transaction);
}
System.out.println("------------------------------|End Report|-------------------------------");
}
}
}
}