d. You cannot declare new methods in the subclass that are not in the superclass.
5)
a. you wil get a compile-time error if you attempt to change an instatnce method in the super class to a ststic method in the subclass b. You can prevent a class from being subclassed by using the final keyword in the class's declaration. d. Common behaviour can be defined in a superclass and inherited into a subclass using the extends keyword.
6)
a. prgam
7)
a. 10 100
8)
a. 1700
9)
a. Hiding internal data from the outside world and accessing it only through publicly exposed methods is known as data encapsulation. b. Static methods in interfaces are never inherited d. A local variable stores a temporary state: it is declared inside a method.
Introduction 
