import java.util.*;

/** Each BankAccount object represents a bank account for one specific user.
 *  An account's balance should never be allowed to become negative.
 *  @version 2048/03/12
 */
public class BankAccount implements Comparable<BankAccount> {
    String name;
    double balance = 0.0;
    ArrayList<String> transactions;

    /** Constructs a new bank account with the given name. */
    public BankAccount(String n) {
        name = n;
        transactions = new ArrayList<String>();
    }
    
    /** Compares this account to the other account, returns < 0, 0, or > 0. */
    public int compareTo(BankAccount b) {
        if (name.equals(b.name))
             return (int) (balance - b.balance);
        else return name.compareTo(b.name);
    }

    /** Getters and setter methods to get/set the balance and name. */
    public double getBalance() { return balance; }
    public void setBalance(double balance) { this.balance = balance; }
    public String getName() { return name; }
    public void setName(String name) { this.name = name; }
    
    /** Deposits the given amount into this account.
     * @param amount how much to deposit */
    public void deposit(double amount) {
        if (amount < 0) throw new IllegalArgumentException();
        balance += amount;
        transactions.add("deposit of $" + amount);
    }

    /** Withdraws the given amount from this account.
     * @param amount how much to deposit */
    public void withdraw(double amount) {
        if (amount < 0) throw new IllegalArgumentException();
        balance -= amount + 0.25;   // 25-cent transaction fee
        transactions.add("withdrawal of $" + amount);
    }
    
    /** Returns a text representation of this account, such as "Joe, $23.00". */
    public String toString() {
        return "{Husky Bank Account for " + name + ", $" + balance + "}";
    }
}