public abstract class Employee
{
   private String name;
   private String address;
   private int id;
   public Employee(String name, String address, int id) {
      System.out.println("Constructing an Employee");
      this.name = name;
      this.address = address;
      this.id = id;
   } 

   public abstract int computeSalary();

   public String toString() {
      return name + " " + address + " " + id;
   }
   public String getName() {
      return name;
   }
   public String getAddress() {
      return address;
   }
   public void setAddress(String newAddress) {
      address = newAddress;
   }
   public int getNumber(){
     return id;
   }
}