Program to implement the following Multiple Inheritance using interface
In multiple inheritance there are several super classes for a subclass. Java does not support Multiple inheritance. To achieve multiple inheritance in Java you have to use interface. The syntax for it is given below: interface <interface-name> { // variable declarations // Method declarations (no implementation) } The implements keyword is used to for implementing interface and extends keyword is used to extend the class. The syntax for extending class and implementing interface is: class <subclass-name> extends <superclass-name> implements <interface-name> { // Body of subclass } In this program, we have created an interface Exam which has one method percent_cal( ) without implementation (body). Then we declare the class Student having data members name, roll_no, marks1, marks2 and one method display( ) . Finally we extend the Student ...