Class 12 Constructors and Destructors Revision Notes

Computer Science
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Study Material for Class 12 Computer Science Constructors and Destructors

Class 12 Computer Science students should refer to the following Pdf for Constructors and Destructors in Class 12. These notes and test paper with questions and answers for Class 12 Computer Science will be very useful for exams and help you to score good marks

Class 12 Computer Science Constructors and Destructors

Constructors and Destructors 
 
Constructor:- A constructor is a special member function with the same name as its class name and is used to initialize the data members of the class. Constructor is invoked automatically when an object of a class is created. Constructor do not return any value not even void. Constructor must be defined in public section.
 
Types of Constructors
 
1. Default Constructor (No argument constructor):- A default constructor accepts no parameters. When no constructor is defined in the class, compiler provides the default constructor.
 
2. Parameterized Constructor (Overloaded Constructor):- Parameterized constructor accepts parameters and is used to assign these parameters to the data members of the class. There may be many definitions of the parameterized constructor depending upon the type and number of parameters passed to the constructor and so it is also called overloaded constructor.
 
3. Copy Constructor:-A constructor that accepts a reference to an instance of its own class as an argument is called as Copy Constructor. A copy constructor is used to create new object with the similar values of existing object. A copy constructor is invoked when one object is defined and initialized with another object of the same class.
 
Syntax for declaration of copy constructor:-
classname(classname &obj)
for example:- Student(Student &s)
Class 12 Constructors and Destructors Revision Notes
 
Note 1 : When parameterized constructor is defined one must define the default constructor also, otherwise error may occur when a call to default constructor is made.
Note 2: When multiple constructors are defined for a class it is also known as constructor overloading.
 
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CBSE Class 12 Computer Science Constructors and Destructors Study Material

We hope students liked the above Study Material for Constructors and Destructors designed as per the latest syllabus for Class 12 Computer Science released by CBSE. Students of Class 12 should download the Study Material in Pdf format, read the notes and related questions and solutions given in above Class 12 Computer Science Study Material on daily basis. All latest Study Material have been developed for Computer Science by referring to the most important and regularly asked topics which the students should learn and practice to get better score in school tests and examinations. Expert teachers of studiestoday have referred to NCERT book for Class 12 Computer Science to develop the Computer Science Class 12 Study Material. After solving the questions given in the Study Material which have been developed as per latest course books also refer to the NCERT solutions for Class 12 Computer Science designed by our teachers. Also download Class 12 Computer Science Sample Papers given on studiestoday. After solving these you should also refer to Class 12 Computer Science MCQ Test for the same chapter.

 

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