What is the default access specifier for members of a class in C++?
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C++ Programming · all questionsObject Oriented Programming in C++
Object Oriented Programming in C++
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Which keyword is used to make a class inheritable by other classes in C++?
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What is the purpose of destructors in C++?
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What will be the output of the following C++ code?
#include<iostream>
using namespace std;
class Base {
public:
Base()
{ cout<<"Constructing Base \n"; }
virtual~Base()
{ cout<<"Destructing Base \n"; }
};
class Derived: public Base {
public:
Derived()
{ cout<<"Constructing Derived \n"; }
~Derived()
{ cout<<"Destructing Derived \n"; }
};
int main(void)
{
Derived *d = new Derived();
Base *b = d;
delete b;
return 0;
}Select an option to see the answer and solution.
Which concept allows you to reuse the written code?
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What is virtual inheritance?
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How structures and classes in C++ differ?
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Which of the following class allows to declare only one object of it?
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Which of the following is correct about new and malloc?
i. new is an operator whereas malloc is a function
ii. new calls constructor malloc does not
iii. new returns required pointer whereas malloc returns void pointer and needs to be typecast
i. new is an operator whereas malloc is a function
ii. new calls constructor malloc does not
iii. new returns required pointer whereas malloc returns void pointer and needs to be typecast
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How run-time polymorphisms are implemented in C++?
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Out of the following, which is not a member of the class?
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What is the correct syntax of declaring array of pointers of integers of size 10 in C++?
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Which of the following explains Polymorphism?
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Which of the following feature of OOPs is not used in the following C++ code?
class A
{
int i;
public:
void print(){cout<<"hello"<<i;}
}
class B: public A
{
int j;
public:
void assign(int a){j = a;}
}Select an option to see the answer and solution.
Why references are different from pointers?
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Which of the following explains the overloading of functions?
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What is the difference between delete and delete[] in C++?
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Which of the following is correct?
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What is the other name used for functions inside a class?
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Which of the following is an abstract data type?
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