Code-Bin #491 - whats wrong with this code?

whats wrong with this code?
Posted by: Ali | February 8, 2010 @ 11:24am

Java Code

import java.util.ArrayList;
import java.util.Collections;
public class Main {

public static void main(String[] args)
    {

ArrayList list = new ArrayList();

Employee number1= new Employee("David",20);
        Employee number2= new Employee("Michael",10);
        Employee number3= new Employee("Bob",15);
        Employee number4= new Employee("Tom",12);
        Employee number5= new Employee("Carl",16);
        list.add(number1);
        list.add(number2);
        list.add(number3);
        list.add(number4);
        list.add(number5);
        Collections.sort(list);
        for (int i = 0; i < list.size(); i++)
        {
            Employee e = (Employee) list.get(i);
            System.out.println(e.toString());
        }
    }

}

public class Employee
{
   // Class constants
   static public final int MAX_DAYS = 5;
   static public final int MAX_REGULAR_HOURS = MAX_DAYS * 8;

// Class variables
   static private int  numEmployees = 0;

// Instance variables
   private String name;
   private double payRate;

// Constructor methods

// Initialize a new employee's name to the empty string and her
   // pay rate and hours worked to 0
   public Employee()
   {
      name = "";
      payRate = 0;

}

// Initialize a new employee's attributes to the given parameters
   public Employee(String name, double payRate)
   {
      this.name = name;
      this.payRate = payRate;
      numEmployees++;
   }

// Set an employee's name
   public void setName (String name)
   {
      this.name = name;
   }

// Get an employee's name
   public String getName ()
   {
      return name;
   }

// Set an employee's pay rate
   public void setPayRate (double newRate)
   {
      payRate = newRate;
   }

// Get an employee's pay rate
   public double getPayRate ()
   {
      return payRate;
   }

// Compute and return an employee's weekly pay
   public double computePay()
   {
      return payRate * MAX_REGULAR_HOURS;
   }

static public int getNumEmployees()
   {
     return numEmployees;
   }

// Return a string representation of a employee's name, pay rate
   // and hours worked.
   public String toString()
   {
      String str = "Name:      " + name  + "\n" +
                   "Pay rate:  " + payRate + "\n";

return str;
   }

public int compareTo(Object o)
   {
       Employee employee= (Employee)o;
       if(this.getName().compareTo(employee.getName()) > 0)
           return 1;
       else
           if( this.getName().compareTo(employee.getName()) < 0)
               return -1;
       return 0;
   }
}

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