BalanceInquiry.java
资源名称:ATM.zip [点击查看]
上传用户:ljt780218
上传日期:2022-07-30
资源大小:110k
文件大小:2k
源码类别:
金融证券系统
开发平台:
Java
- // 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 );
- } // end BalanceInquiry constructor
- // performs the transaction
- 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( "" );
- } // end method execute
- } // end class BalanceInquiry
- /**************************************************************************
- * (C) Copyright 1992-2005 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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- * programs or to the documentation contained in these books. The authors *
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- * consequential damages in connection with, or arising out of, the *
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- *************************************************************************/