In multilevel inheritance constructors will be executed
from the .... class to ... class
Answers were Sorted based on User's Feedback
Answer / ps
Constructors are always executed from the parent to child
ie in the example below:
#include <iostream>
using namespace std;
class base1
{
public:
base1()
{
cout<<"In constructor of base1"<<endl;
}
~base1()
{
cout<<"In destructor of base1"<<endl;
}
};
class base2:public base1
{
public:
base2()
{
cout<<"In constructor of base2"<<endl;
}
~base2()
{
cout<<"In destructor of base2"<<endl;
}
};
class derived :public base2
{
public:
derived()
{
cout<<"In constructor of derived"<<endl;
}
~derived()
{
cout<<"In destructor of derived"<<endl;
}
};
void main()
{
base1 b1;
base2 b2;
derived d1;
}
o/p:
In constructor of base1 --- for object b1
In constructor of base1 --- for object b2
In constructor of base2-----
In constructor of base1-for object d1
In constructor of base2
In constructor of derived
| Is This Answer Correct ? | 19 Yes | 6 No |
Answer / chaitanya
In constructor of base1-----for object b1
In constructor of base1-----for object b2
In constructor of base2------for object b2
In constructor of base1-----for object d1
In constructor of base2-----for object d1
In constructor of derived----for object d1
In destructor of derived
In destructor of base2
In destructor of base1
| Is This Answer Correct ? | 12 Yes | 6 No |
DIFFRENCE BETWEEN STRUCTURED PROGRAMING AND OBJCET ORIENTED PROGRAMING.
What type of loop is a for loop?
#include <stdio.h> #include <alloc.h> #include <stdlib.h> #include <conio.h> void insert(struct btreenode **, int); void inorder(struct btreenode *); struct btreenode { struct btreenode *leftchild; struct btreenode *rightchild; int data; }; main() { struct btreenode *bt; bt=(struct btreenode *)NULL; int req,i=1,num; clrscr(); printf("Enter number of nodes"); scanf("%d",&req); while(i<=req) { printf("Enter element"); scanf("%d",&num); insert(&bt,num); i++; } inorder(bt); } void insert(struct btreenode **sr, int num) { if(*sr==NULL) { *sr=(struct btreenode *)malloc (sizeof(struct btreenode)); (*sr)->leftchild=(struct btreenode *)NULL; (*sr)->rightchild=(struct btreenode *)NULL; (*sr)->data=num; return; } else { if(num < (*sr)->data) insert(&(*sr)->leftchild,num); else insert(&(*sr)->rightchild,num); } return; } void inorder(struct btreenode *sr) { if(sr!=(struct btreenode *)NULL) { inorder(sr->leftchild); printf("\n %d",sr->data); inorder(sr->rightchild); } else return; } please Modify the given program and add two methods for post order and pre order traversals.
What is virtual function?where and when is it used?
What is virtual constructors/destructors?
What is the types of inheritance?
Can we create object of class with private constructor?
What are the access specifiers avaible in c++?
what is the definition of incapsulation
can you explain how to use JavaBean in Project
How to call a non virtual function in the derived class by using base class pointer
What is class and object in oops?