/**
 * BankAccount: a generic bank account.
 */
public class BankAccount {
    // instance variables
    private String  accountName;    // Account holder's name
    private int     accountNumber;  // Account number
    private double  balance;        // current balance in dollars
                                    // class invariant: accountName != null

    /**
     * Construct a new BankAccount with the given name, number,
     * and initial balance
     */
    public BankAccount(String name, int number, double initialBalance) {
        this.accountName = name;
        this.accountNumber = number;
        this.balance = initialBalance;
    }

    /**
     * Deposit money into the account.
     *
     * @param  amount dollars to be added to the account
     */
    public void deposit(double amount) {
        this.balance += balance + amount;
    }

    /**
     * Withdraw money from this account (may leave account balance
     * negative if insufficient funds).
     * @param amount dollars to be withdrawn from the account
     */
    public void withdraw(double amount) {
        this.balance -= amount;
    }

    /** Return the name associated with this account */
    public String getName() {
        return this.accountName;
    }

    /** Return the account number of this account */
    public int getNumber() {
        return this.accountNumber;
    }

    /** Return the current balance of this account */
    public double getBalance() {
        return this.balance;
    }

    /** Return a string representation of this BankAccount */
    public String toString() {
        return "BankAccount[" + accountName + ", " + accountNumber + ", " +
                balance + "]";
    }
}