/**
 * This class manages a bank account.
 *
 * @author Dave Slemon
 * @version v100
 */
public class BankAccount
{
   private double balance;
   private String customerName;
   
   
   
   

/** 
 *
 * The default constructor.
 *
 */
   public BankAccount () { 

       this ("Unknown");
   }
   
   
   
   

/** 
 *
 * The constructor for creating an account belonging to
 * a specific person.
 *
 * @param name  the name of the owner of the account
 */
   public BankAccount (String name) { 

       this.balance = 0.0;
       this.customerName = name;
   }
   
   
   
   

/** 
 *
 * Gets the balance of the account
 *
 * @return the balance of the account
 */
   public double getBalance() { 

       return balance;
   }
   
   

/** 
 *
 * Gets the customer name who owns this account
 *
 * @return the customer name
 */
   public String getCustomerName() { 

       return customerName;
   } 
   
   
   

/** 
 *
 * Deposit money into the account
 *
 * @param amt  the deposit amount
 */
   public void deposit(double amt) { 

       if (amt > 0.0) balance += amt;
   }
   
   
   
   

/** 
 *
 * Withdraw some money from the account
 *
 * @param amt  the amt to withdraw
 */
   public void withdraw(double amt) { 

       if (balance >= amt) balance -= amt;  
   }
   
   
   
   

/** 
 *
 * To display the balance of the account
 *
 * @return String the name and balance of the account.
 */
   public String toString() { 

     return customerName + "\t" + String.format("$%.2f",balance);  
    }
}