illustration of java interfaces

Illustration 4.1				

    interface Resume {
	    ��. 				
	   void bioData (  ) ; 			// By default it is an abstract method.
		����			                // when it is declared in an interface
	} 
 
   class Teacher extends Employee implements Resume {
		. . .  . 				// Assume Employee is a class defined some where
	    Qualification ; 			// A  member element			
		��..
		experience (  )  {���}   	// A member function 
		���.
		public void bioData (  ) {
			                       // Code for this method for preparing the bio-data of a teacher //
		}
	}

    class Student implements Resume {
	    ��.
        Discipline; 			// A member element.
        ���.
        result (  ) { ��.} 		// A member function
        ��..

    public void bioData (  ) {
				// Code for  the method for preparing the bio-data of a student //
		}
	}