// BankAccount.java

/**
 * BankAccount represents a single named deposit account at a bank.
 */
public class BankAccount {

	// Member variables:
	
	/** The current balance of this BankAccount. */
	private double myBalance = 0.0;
	
	/** The identifying name of this BankAccount. */
	private String myName = "";
	
	
	// Constructors:
	
	/**
	 * Creates a BankAccount.
	 * This constructor is declared private to prohibit creation
	 * of an account without a name and initial balance.
	 */
	private BankAccount() {
	}
	
	/**
	 * Creates a BankAccount.
	 * @param aName The name for this account.
	 * @param aBalance The initial balance in this account.
	 */
	public BankAccount( String aName, double aBalance) {
		this.myBalance = aBalance;
		this.myName = aName;
	}
	
	
	// Methods:
	
	/**
	 * Returns the current balance of this account.
	 */
	public double getBalance() { return( myBalance);}
	
	/**
	 * Returns the identifying name of this account.
	 */
	public String getName() { return( myName);}
	
	/** 
	 * Deposits money in the account.
	 * @param money The amount of money to be deposited.
	 */
	public void deposit( double money) {
		if( money >= 0) {
			myBalance += money;
		}
	}
	
	/** 
	 * Withdraws money from this account.
	 * If an overdraft is attempted, all current money is withdrawn.
	 * @param money The amount of money to be withdrawn.
	 * @return The amount of money actually withdrawn.
	 */
	public double withdraw( double money) {
		if( money <=0) return( 0);// can't withdraw a negative
		double actual = 0;
		if( money > myBalance) {
			actual = myBalance;
		}
		else { 
			actual = money;
		}
		myBalance -= actual;
		return( actual);
	}
}