Chapter no7-8

							                                     Chapter no-7-8 Questions
(1) Write types of inheritance.
(2) Define: Base class, Derive Class, Abstract class, Inheritance.
(3) What do you means by Interface and how it can declare?
(4) Write two differences between an abstract class and an interface.
(5) Which keyword child class use to base class functions and variables?
(6) What is abstract method and where we declare it?
(7) How we call parent class constructor in child class?
(8) What do you means by method overriding?
(9) Write two advantage of inheritance.

(10)What is method overloading and what is advantage of it?

(11)Java allows multiple Inheritances, if no then which feature replaces it?

(12)Which class is super class of all classes in a Java program?

(13)Which keyword use to prevent method overridden? How do you prevent
    a class from being inherited?

(14)Write the import statement required from using JOpetionPane class.

(15)How do we count no.of rows and no.of column in table?

(16)What is a table model? What is its significance?

(17)Which component of swing Windows lets you create a general purpose
    dialog?

(18)Which component of swing Windows lets you create built in dialog styles?

(19)Which method would you invoke to display (1) message dialog (2) confirm
    dialog (3) input dialog ?

(20)What is dialog?
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