Account.java

class Account {
    private int accountNumber;
    private String holderName;
    private double balance;
    private int pin;

    Account(int accountNumber, String holderName, int pin){
        this.accountNumber = accountNumber;
        this.holderName = holderName;
        this.balance = 0;
        this.pin = pin;
    }

    public int getAccountNumber(){
        return accountNumber;
    }

    public double getBalance(){
        return balance;
    }

    public boolean authenticate(int enteredPin){
        return (this.pin == enteredPin);
    }

    public void deposit(double amount){
        if(amount <= 0){
            System.out.println("Amount must be greater than 0!");
            return;
        }
        balance += amount;
        System.out.println("Amount Deposited Successfully!");
    }

    public void withdraw(double amount){
        if(amount <= 0){
            System.out.println("Amount must be greater than 0!");
            return;
        }
        if(amount > balance){
            System.out.println("Isufficient Balance!");
            return;
        }
        balance -= amount;
        System.out.println("Amount Withdrawn Successfully!");
    }

    void display(){
        System.out.println("----------------------");
        System.out.println("Account Number: " + accountNumber);
        System.out.println("Holder Name: " + holderName);
        System.out.println("Balance: " + balance);
        System.out.println("----------------------");
        System.out.println();
    }
}