_________ is used to declare and initialize an object from another object of same class in C++.
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Answer (Detailed Solution Below)Option 1 : Copy constructor Free Child Development and Pedagogy Mock Test 10 Questions 10 Marks 10 Mins A constructor is a member function of a class that initializes objects of a class. In C++, Constructor is automatically called when an object (instance of a class) creates. It is a special member function of the class. Syntax class_name(parameter1, parameter2, ...) { // constructor Definition } Default Constructor It is the constructor that doesn’t take any argument. It has no parameters. Parameterized Constructors It is possible to pass arguments to constructors. Typically, these arguments help initialize an object when it is created. Copy Constructor A copy constructor is a member function that initializes an object using another object of the same class.
Last updated on Sep 21, 2022 On 8th September, a tweet was posted on DPR Haryana Twitter Page at 3:09 P.M. stating that the HTET 2022 Exam will be conducted on 12th and 13th November 2022. It also states that the registration process for the same will begin soon. The HTET Eligibility Criteria for every level in HTET 2022 is different. The minimum qualifying marks for the General/OBC/SC/PH of Other States is a minimum of 90 marks out of 150 i.e 60% marks, and for SC/PH of Haryana, it is a Minimum of 82 marks out of 150 i.e 55%. a ____ is a member function that is automatically called when a class object is __. MCQs Answer: c. constructor created
#include<iostream> usingnamespacestd; classMCQs { public: MCQs(){ cout<<"welcome to T4Tutorials.com"<<endl; }
}; intmain(){ MCQsx,y,z; } Output Welcome to T4Tutorials.com Welcome to T4Tutorials.com Welcome to T4Tutorials.com In this example we have three objects X, Y, X. so let’s see what happens. object XWhen object x is created, then MCQs() function is called and it will print “Welcome to T4Tutorials.com”. object YWhen object Y is created, then MCQs() function is called and it will print “Welcome to T4Tutorials.com”. object ZWhen object Z is created, then MCQs() function is called and it will print “Welcome to T4Tutorials.com”.
Prof.Fazal Rehman Shamil (Available for Professional Discussions) Which of the following is automatically called when an object is destroyed?A destructor is a member of a function which is automatically called when the class is destroyed.
Which operator can be used by an object to access members of the class?Accessing the members of the class (data and functions) is done using the dot (.) operator, which is also called as the member access operator. If obj is the name of the object and there is a function “display ()” in the class, then the function can be accessed as “obj. display ()”.
Which function is automatically called in C plus plus if we do not define it in the class?A constructor in C++ is a special method that is automatically called when an object of a class is created.
Which of the following is a directive used to prevent a header file from accidentally being included more than once?Another way to prevent a header file from being included more than once is with the ` #pragma once ' directive.
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