Bank

package bankquestion;
 import java.util.Scanner;
 import java.text.NumberFormat;

 public class BankQuestion {

	public static void main(String[] args) {
		Account munozAccount = new Account(250, "Maria", "Munoz", "110 Glades Road", "Mytown", "FL", "33445");
		Scanner input = new Scanner(System.in);
		double data;
		NumberFormat money = NumberFormat.getCurrencyInstance();

		System.out.println(munozAccount);

                System.out.print("Would you like to make changes? (y/n)");
                String answer = input.next();

                if (answer.equals("y")) {
                    System.out.print("Enter the street: ");
                    String street = input.next();
                    System.out.print("Enter the city: ");
                    String city = input.next();
                    System.out.print("Enter the state  ");
                    String state = input.next();
                    System.out.print("Enter the ZIP code: ");
                    String zip = input.next();
                    munozAccount.changeAddress(street,city,state,zip);
                    System.out.println(munozAccount);

                }

		System.out.print("Enter deposit amount: ");
		data = input.nextDouble();
		munozAccount.deposit(data);
		System.out.println("Balance is: " + money.format(munozAccount.getBalance()));

		System.out.print("Enter withdrawal amount: ");
		data = input.nextDouble();
		munozAccount.withdrawal(data);
		System.out.println("Balance is: " + money.format(munozAccount.getBalance()));

	}
}

********** Account Class **************
package bankquestion;

import java.text.NumberFormat;

public class Account {
	private double balance;
	private Customer cust;

	public Account(double bal, String fName, String lName, String str, String city, String st, String zip) {
		balance = bal;
		cust = new Customer(fName, lName, str, city, st, zip);
	}


	public double getBalance() {
	 	return(balance);
	}


	public void deposit(double amt) {
	 	balance += amt;
	}
        public void changeAddress(String street,String city, String state, String zip) {
            cust.changeStreet(street);
            cust.changeCity(city);
            cust.changeState(state);
            cust.changeZip(zip);

        }

	public void withdrawal(double amt) {
	 	if (amt <= balance) {
	 		balance -= amt;
	 	} else {
	 		System.out.println("Not enough money in account.");
	 	}
	}

	public String toString() {
		String accountString;
		NumberFormat money = NumberFormat.getCurrencyInstance();

		accountString = cust.toString();
		accountString += "Current balance is " + money.format(balance);
	 	return(accountString);
	}

}
******************Customer Class *****************
package bankquestion;
public class Customer {
	private String firstName, lastName, street, city, state, zip;


	public Customer(String fName, String lName, String str, String c, String s, String z) {
		firstName = fName;
		lastName = lName;
		street = str;
		city = c;
		state = s;
		zip = z;
	}
        public void changeCity(String theCity) {
            city = theCity;

        }
        public void changeStreet(String theStreet) {
            street = theStreet;
        }
        public void changeState(String theState) {
            state = theState;
        }
        public void changeZip (String theZip) {
            zip = theZip;
        }


	 public String toString() {
		String custString;

		custString = firstName + " " + lastName + "\n";
		custString += street + "\n";
		custString += city + ", " + state + "  " + zip + "\n";
	 	return(custString);
	}
}