12)Develop an application that uses inheritance. Use the class Account and then subclass it into different account types. Then making use of Customer and Employee classes to develop the application to reflect the nature of banking operations. Use minimum operational sequence.

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Mon Jul 08 2024 06:08:24 GMT+0000 (Coordinated Universal Time)

Saved by @varuntej #java 

// Account class (Base class)
class Account {
 private int accountNumber;
 private double balance;
 public Account(int accountNumber) {
 this.accountNumber = accountNumber;
 this.balance = 0.0;
 }
 public int getAccountNumber() {
 return accountNumber;
 }
 public double getBalance() {
 return balance;
 }
 public void deposit(double amount) {
 balance += amount;
 System.out.println("Deposited: $" + amount);
 }
 public void withdraw(double amount) {
 if (amount <= balance) {
 balance -= amount;
 System.out.println("Withdrawn: $" + amount);
 } else {
 System.out.println("Insufficient balance");
 }
 }
}
// Subclasses of Account
class SavingsAccount extends Account {
 // Additional features specific to savings account
 public SavingsAccount(int accountNumber) {
 super(accountNumber);
 }
}
class CheckingAccount extends Account {
 // Additional features specific to checking account
 public CheckingAccount(int accountNumber) {
 super(accountNumber);
 }
}
// Customer class
class Customer {
 private String name;
 private Account account;
 public Customer(String name, Account account) {
 this.name = name;
 this.account = account;
 }
 public void deposit(double amount) {
 account.deposit(amount);
 }
 public void withdraw(double amount) {
 account.withdraw(amount);
 }
 public double checkBalance() {
 return account.getBalance();
 }
}
// Employee class
class Employee {
 private String name;
 public Employee(String name) {
 this.name = name;
 }
 public void processTransaction(Customer customer, double amount,
String type) {
 if (type.equalsIgnoreCase("Deposit")) {
 customer.deposit(amount);
 } else if (type.equalsIgnoreCase("Withdraw")) {
 customer.withdraw(amount);
 } else {
 System.out.println("Invalid transaction type");
 }
 }
}
// Main class for testing
public class BankingApplication {
 public static void main(String[] args) {
 // Create accounts for customers
 SavingsAccount savingsAccount = new SavingsAccount(1001);
 CheckingAccount checkingAccount = new CheckingAccount(2001);
 // Create customers and link accounts
 Customer customer1 = new Customer("Alice", savingsAccount);
 Customer customer2 = new Customer("Bob", checkingAccount);
 // Create bank employees
 Employee employee1 = new Employee("Eve");
 // Employee processing transactions for customers
 employee1.processTransaction(customer1, 1000, "Deposit");
 employee1.processTransaction(customer2, 500, "Withdraw");
 // Checking customer balances after transactions
 System.out.println("Customer 1 Balance: $" +
customer1.checkBalance());
 System.out.println("Customer 2 Balance: $" +
customer2.checkBalance());
 }
}
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