illustration of java interfaces

1Illustration 4.1				
2
3    interface Resume {
4	    ��. 				
5	   void bioData (  ) ; 			// By default it is an abstract method.
6		����			                // when it is declared in an interface
7	} 
8 
9   class Teacher extends Employee implements Resume {
10		. . .  . 				// Assume Employee is a class defined some where
11	    Qualification ; 			// A  member element			
12		��..
13		experience (  )  {���}   	// A member function 
14		���.
15		public void bioData (  ) {
16			                       // Code for this method for preparing the bio-data of a teacher //
17		}
18	}
19
20    class Student implements Resume {
21	    ��.
22        Discipline; 			// A member element.
23        ���.
24        result (  ) { ��.} 		// A member function
25        ��..
26
27    public void bioData (  ) {
28				// Code for  the method for preparing the bio-data of a student //
29		}
30	}
31