what is the error in this code and why?
<pre><code>class Person {
    String name = “No name";
    public Person(String nm) { name = nm; }
}

class Employee extends Person {
   String emplD = “0000”;
   public Employee(String id) { empID = id; }
}

public class EmployeeTest {
   public static void main(String[ ] args) 
   {  
      Employee e = new Employee(”4321”);
      System.out.println(e.empID);
   }
} 
</code></pre>
