public abstract class Account {
	protected double balance = 0;

	int acctNo;
	Random rand = new Random();

public Account()
{

}



public Account(double ebalance)
{
	balance = ebalance;
	acctNo = rand.nextInt(10000);
}


public String toString()
{

	return ("Account Number: " + acctNo + "\n"  + "Balance: " + balance);
}
public double deposit(double amount)
{

	balance = balance + amount;
	return balance;
}
public abstract double withdraw(double withdraw);



}

public class CheckingAccount extends Account{
 int overDraftFee = 10;
 double balance;
 final double MINIMUMBALANCE = 100;

public CheckingAccount()
{

}

public CheckingAccount(double eDeposit)
{
	super(eDeposit);

}
public double deposit(double aDeposit)
{
	super.deposit(aDeposit);
    return balance;

}

public double withdraw(double withdraw)
{

	   balance = balance - withdraw;

	   if (balance < 0)
	   {
		   System.out.println("You have overdrawn your account.");
		   System.out.println("Overdraft fee is 10.00");
		   balance= balance - overDraftFee;

		   return balance;
	   }
	   else
	   {
		   return balance;
}