account.java

国外的数据结构与算法分析用书

package Accounts;

import People.Customer;

/**	Bank account for customers.
	This class contains attributes that are common to all types of accounts. */
public abstract class Account
{
	/**	The account holder. */
	protected Customer owner; 

	/**	A unique number for each account. */
	protected int number; 

	/**	Amount of money in the acocunt. */
	protected float balance; 

	/**	Create a new account with a customer and a number. */
	public Account(Customer c, int n)
	{
		owner = c;
		number = n;
	}

	/** 	Return the owner of this account. */
	public Customer owner()
	{
		return owner;
	}

	/**	Return the account number. */
	public int number()
	{
		return number;
	}

	/**	Return the account balance. */ 
	public float balance()
	{
		return balance;
	}

	/**	Generate a listing of account activity. */
	public abstract String generateMonthlyStmt();
}