(VISUAL DOT NET)ANSWER B,C, D PARTS : a) What is the difference between static and instance variable. Explain the differences from different point ofview such as time of creation, memory space allocation, accessibility, scope, sharing copy among objects/ownvariable, etc.b) If a class has no explicate constructor declaration then default constructor is called. What is the purpose ofdefault constructor. Give an example.c) Explain the purpose of "this" keyword. Give an example.d) What is composition and what is the purpose of using it. Please give an example.(14)

Answered: b) If a class has no explicate…

b) If a class has no explicate constructor declaration then default constructor is called. What is the purpose of default constructor. Give an example.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

(VISUAL DOT NET)

ANSWER B,C, D PARTS

: a) What is the difference between static and instance variable. Explain the differences from different point of
view such as time of creation, memory space allocation, accessibility, scope, sharing copy among objects/own
variable, etc.
b) If a class has no explicate constructor declaration then default constructor is called. What is the purpose of
default constructor. Give an example.
c) Explain the purpose of "this" keyword. Give an example.
d) What is composition and what is the purpose of using it. Please give an example.
(14)

Expert Solution

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