//BankDatabase.java
//represents the bank account information database

public class BankDatabase
{
    private Account[] accounts; // array of accounts

    //no- argumnet database constructor initializes account
    public BankDatabase()
    {
        accounts = new Account[ 2 ]; // just two accounts for testing
        accounts[ 0 ] = new Account( 12345,54321,1000.0, 1200.0);
        accounts[ 1 ] = new Account( 98765,56789,200.0, 200.0);
    } //end of method BankDatabase constructor

    //retrieve Account object containing specified account number
    private Account getAccount( int accountNumber )
    {
        // loop through accounts searching for matching account number
        for ( Account currentAccount : accounts )
        {
            // return current account if match found
            if ( currentAccount.getAccountNumber() == accountNumber )
            return currentAccount;
        } // end for

        return null; // if no matching account was found, return null
    } // end methot getAccount

    //determine whether user-specified account number and PIN