// Person4.java
// Person4 class declaration creates a person3 object
// This class is abstract; use for inheritance

public abstract class Person4 extends Object {
   private String First;     // first name
   private String Last;	     // last name
   private int age;          // age 

   // Person constructor initializes each instance variable to zero or empty; 
   // ensures that each Time1 object starts in a consistent state
   public Person4()
   {

      setPerson( "George", "Smith", 20);
   }

   // set a new Person value 
   // validity checks on the age; set invalid values to 20
   public void setPerson( String First, String Last, int age)
   {

      this.First = First;
      this.Last = Last;
      this.age =  ( ( age >= 0 && age < 100 ) ? age : 20 );

   }

   // get first name
   public String getFirst()
   {

      return First;
   }

      // get last name
   public String getLast()
   {

      return Last;
   }
   
   public int getAge()
   {
      return age;
   }


   public void setFirst(String First)
   {
	   this.First = First;
   }
   
   public void setLast(String Last)
   {
	   this.Last = Last;
   }
   
   public void setAge(int age)
   {
	   this.age = age;
   }
   
   public abstract String getType();


} // end class Person4

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 * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and               *
 * Prentice Hall. All Rights Reserved.                                    *
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