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BankApplication.java
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125 lines (108 loc) · 5.03 KB
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import java.util.Scanner;
public class BankApplication {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Bank bank = new Bank();
int choice;
do {
System.out.println("\n1. Create Savings Account");
System.out.println("2. Deposit");
System.out.println("3. Withdraw");
System.out.println("4. Display All Accounts");
System.out.println("5. Display Balance");
System.out.println("6. Exit");
System.out.print("Enter your choice: ");
while (!scanner.hasNextInt()) {
System.out.println("Invalid input. Please enter a number.");
scanner.next();
}
choice = scanner.nextInt();
switch (choice) {
case 1:
System.out.print("Enter account ID: ");
while (!scanner.hasNextInt()) {
System.out.println("Invalid input. Please enter a valid account ID.");
scanner.next();
}
int savingsId = scanner.nextInt();
System.out.print("Enter name: ");
String savingsName = scanner.next();
System.out.print("Enter initial balance: ");
while (!scanner.hasNextDouble()) {
System.out.println("Invalid input. Please enter a valid balance.");
scanner.next();
}
double savingsBalance = scanner.nextDouble();
System.out.print("Enter interest rate: ");
while (!scanner.hasNextDouble()) {
System.out.println("Invalid input. Please enter a valid interest rate.");
scanner.next();
}
double interestRate = scanner.nextDouble();
bank.createSavingsAccount(savingsId, savingsName, savingsBalance, interestRate);
break;
case 2:
System.out.print("Enter account ID: ");
while (!scanner.hasNextInt()) {
System.out.println("Invalid input. Please enter a valid account ID.");
scanner.next();
}
int depositId = scanner.nextInt();
Account depositAccount = bank.findAccount(depositId);
if (depositAccount != null) {
System.out.print("Enter amount to deposit: ");
while (!scanner.hasNextDouble()) {
System.out.println("Invalid input. Please enter a valid amount.");
scanner.next();
}
double depositAmount = scanner.nextDouble();
depositAccount.deposit(depositAmount);
}
break;
case 3:
System.out.print("Enter account ID: ");
while (!scanner.hasNextInt()) {
System.out.println("Invalid input. Please enter a valid account ID.");
scanner.next();
}
int withdrawId = scanner.nextInt();
Account withdrawAccount = bank.findAccount(withdrawId);
if (withdrawAccount != null) {
System.out.print("Enter amount to withdraw: ");
while (!scanner.hasNextDouble()) {
System.out.println("Invalid input. Please enter a valid amount.");
scanner.next();
}
double withdrawAmount = scanner.nextDouble();
try {
withdrawAccount.withdraw(withdrawAmount);
} catch (InsufficientFundsException e) {
System.out.println("Error: " + e.getMessage());
}
}
break;
case 4:
bank.displayAllAccounts();
break;
case 5:
System.out.print("Enter account ID: ");
while (!scanner.hasNextInt()) {
System.out.println("Invalid input. Please enter a valid account ID.");
scanner.next();
}
int balanceId = scanner.nextInt();
Account balanceAccount = bank.findAccount(balanceId);
if (balanceAccount != null) {
balanceAccount.displayBalance();
}
break;
case 6:
System.out.println("Exiting...");
break;
default:
System.out.println("Invalid choice.");
}
} while (choice != 6);
scanner.close();
}
}