// BalanceInquiry.java

// Represents a balance inquiry ATM transaction

public class BalanceInquiry extends Transaction {

// BalanceInquiry constructor

public BalanceInquiry(int userAccountNumber, Screen atmScreen,

BankDatabase atmBankDatabase) {

super(userAccountNumber, atmScreen, atmBankDatabase);

}

// performs the transaction

@Override

public void execute() {

// get references to bank database and screen

BankDatabase bankDatabase = getBankDatabase();

Screen screen = getScreen();

// get the available balance for the account involved

double availableBalance =

bankDatabase.getAvailableBalance(getAccountNumber());

// get the total balance for the account involved

double totalBalance =

bankDatabase.getTotalBalance(getAccountNumber());

// display the balance information on the screen

screen.displayMessageLine("\nBalance Information:");

screen.displayMessage(" - Available balance: ");

screen.displayDollarAmount(availableBalance);

screen.displayMessage("\n - Total balance: ");

screen.displayDollarAmount(totalBalance);

screen.displayMessageLine("");

}

}

/**************************************************************************

* (C) Copyright 1992-2018 by Deitel & Associates, Inc. and *

* Pearson Education, Inc. All Rights Reserved. *

* *

* DISCLAIMER: The authors and publisher of this book have used their *

* best efforts in preparing the book. These efforts include the *

* development, research, and testing of the theories and programs *

* to determine their effectiveness. The authors and publisher make *

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