/* This class is not correct. It needs to be fixed to work in a
 * sequential setting, and also a multithreaded setting. What must we
 * do to change it? */

public class BankAccountBuggy {
    private double balance;
    public BankAccountBuggy(double initialBalance) {
	this.balance = initialBalance;
    }
    public void withdraw(double amount) {
	balance -= amount;
    }
    public void deposit(double amount) {
	balance += amount;
    }
    public void transfer(double amount, BankAccount other) {
	this.withdraw(amount);
	other.deposit(amount);
    }
    public double getBalance() { return balance; }
}