import java.util.*;

 interface MoneyAccount {
/*
 *This interface models a protocol for things can have money deposited and withdrawn
 *it also provides a query method to get the balance of the money account
 */
 
 //Interface MoneyAccount  Methods
 //===============================
 
 public void deposit(double anAmount);
 //deposit anAmount into the MoneyAccount
 
 public void withdraw(double anAmount);
 //withdraw anAmount from the MoneyAccount
 
 public double getAccountBalance();
 //answer the balance of the MoneyAccount
 
}