class Employee
{
   private static int nextId = 1;

   private String name;   
   private int id;

   public Employee(String n)  {name = n; id = nextId; nextId++;}

   public static int getNextId()  {return nextId;}

   public String toString() {return name+" ("+id+") ";} 
   
   public static void main(String[] args) // unit test for Employee class
   {
      Employee a = new Employee("Harry");
      Employee b = new Employee("Helena");
      Employee c = new Employee("Paul");
      System.out.println(a);
      System.out.println(b);
      System.out.println(c);
      System.out.println("The Id of the next new employee will be " + Employee.getNextId());
   }
}

/* Rundown: 
Harry (1) 
Helena (2) 
Paul (3) 
The Id of the next new employee will be 4
*/