Need help with C++ Question Select all options that are true about class constructors in C++. Constructors...are inherited by the child class because the child inherits ALL memberswill automatically call the default constructor for the parent unless directed to call a different constructor for the parenthave the same name as the class and no return typerun bottom up and called top down in an inheritance hierarchycalled top down and run bottom up.in an inheritance hierarchyO0000

Constructor in c++ object-oriented language as special member functions which can be used only with classes. These are the functions which are used to initialise the objects of a class. In other words, a constructor is used to assign a member to the object of class to make its existence in the program. Constructor has below constraints: --same name as class --no return type --can be with parameters OR without parameters --called automatically when an object is created for the class Consider the class named student as below: class student{ private int id; student(){ id = 10; } }; Consider creating object for class student with name student1 student student1; When the above statement is executed by program compiler, the default constructor student() is called and an id = 10 is assigned to student1. Thus constructor is some special functions which are called for creation of objects.1) Inherited by child classes: This is an incorrect option as constructors are only used within the class. This is the reason that child classes will have to create their own constructor OR call the constructor of parent classes explicitly. 2) Call parent class constructor automatically: This is the correct option as when the constructor of child class is called, it will automatically call the constructor of parent class when there is no special parameter passed. Consider the example: class parentC{ }; class childC : public parentC{ }; //create a constructor of childC childC child1; child1 will call the constructor of childC as well constructor of childD 3) Same name as class with no return type: This is the correct option as constructor has the same name as class and it returns nothing. Consider below example of class Student class Student{ int id; Student(){//constructor with same name and no return type } }; 4) Runs bottom-up and calls top-down: This is the correct option as the top are base (parent classes) and down are derived (child classes) to get a full version of a derived class, it is needed to first initialize the top (parent class) data member's and member functions which can be done by calling its constructor. In other words base class's member should be already defined using constructor before these are used in derived class. 5) Call top-down and runs bottom-up: Same as 4 From the above step description, it can be concluded that only the first option is incorrect and the rest are correct for the constructor. The last two options are same.

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Select all options that are true about class constructors in C++. Constructors. are inherited by the child class because the child inherits ALL members will automatically call the default constructor for the parent unless directed have the same name as the class and no return type run bottom up and called top down in an inheritance hierarchy called top down and run bottom up.in an inheritance hierarchy 0000

Select all options that are true about class constructors in C++. Constructors. are inherited by the child class because the child inherits ALL members will automatically call the default constructor for the parent unless directed have the same name as the class and no return type run bottom up and called top down in an inheritance hierarchy called top down and run bottom up.in an inheritance hierarchy 0000

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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