Mini Project - Bank Account balance

package bankaccount;

public class BankAccount {
    private double balance;

    //Constructor
    public BankAccount() {
        balance = 0.0;
    }

    //deposit method
    public void deposit(double amount) {
        balance = balance + amount;
    }

    //withdraw method
    public void withdraw(double amount) throws InsufficientFundException {
        if(amount> balance) {
            throw new InsufficientFundException("Insufficient balance. " + "Withdraw process could not be updated.");
        }
        balance = balance - amount;
    }

    //getter
    public double getBalance() {
        return balance;
    }
}
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package bankaccount;

public class InsufficientFundException extends Exception {
    //must extend the parent class

    private String message;

    //Constructor
    public InsufficientFundException(String message) {
        this.message = message;
    }

    public String getMessage() {
        return message;
    }
}
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package bankaccount;

import java.util.Scanner;

public class BankAccountTester {

    public static void main(String[] args) {
        BankAccount account = new BankAccount();
        Scanner input = new Scanner(System.in);
        int choice;
        do {
            System.out.println("------BANK ACCOUNT MENU------");
            System.out.println("1-Deposit");
            System.out.println("2-Withdraw");
            System.out.println("3-Show current balance");
            System.out.println("4-Quit");
            System.out.println("Select an option: ");
            choice = input.nextInt();
            switch (choice) {
                case 1:
                    System.out.println("Deposit Amount: ");
                    account.deposit(input.nextInt());
                    System.out.println("Your current balance is: " + account.getBalance());
                    break;
                case 2:
                    System.out.println("Withdraw Amount: ");
                    try {
                        account.withdraw(input.nextInt());
                        System.out.println("Your current balance is: " + account.getBalance());
                    } catch (InsufficientFundException e) {
                        System.out.println(e.toString());
                    }
                    break;
                case 3:
                    System.out.println("Current balance: " + account.getBalance());
                    break;
            }
        } while(choice!=4);
        System.out.println("Thank you for using our service. Goodbye!");
    }
}