// The MIT License (MIT)

//

// Copyright (c) 2016 Robert C. Seacord

//

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

package OBJ02J;

class BankAccount extends Account {

// Subclass handles authentication

@Override

void withdraw(double amount) throws SecurityException {

if (!securityCheck()) {

throw new SecurityException();

}

super.withdraw(amount);

}

private static boolean securityCheck() {

// Check that account management may proceed

return false;

}

public static void main(String[] args) {

Account account = new BankAccount();

// Enforce security manager check

try {

account.withdraw(200.0);

System.out.println("Withdrawal successful.");

} catch (SecurityException e) {

System.err.println("Withdrawal failed.");

e.printStackTrace();

}

// Client uses new overdraft method.

// System.out.println("Withdrawal successful? " + account.overdraft());

}

}

// boolean overdraft() {

// if (!securityCheck()) {

// throw new SecurityException();

// }

// return super.overdraft();

// }