Introduction to C++
practice.

What are the actual parameters in C++?

What will be the output of the following C++ code?

#include<stdio.h>
int main(int argc, char const *argv[])
{
	char a = 'a';
	printf("%d\n", (int)sizeof(a));
	return 0;
}

Which of the following is used to make an abstract class?

Which of the following supports the concept that reusability is a desirable feature of a language?

What will be the output of the following C++ code?

#include<iostream>
using namespace std;
int main ()
{
   int cin;
   cin >> cin;
   cout << "cin: " << cin;
   return 0;
}

What happens if the following line is executed in C and C++?

int *p = malloc(10);

Which of the following is C++ equivalent for printf()?

Which of the following is correct?

Which of the following statement is true?
I. In Procedural programming languages, all function calls are resolved at compile-time
II. In Object Oriented programming languages, all function calls are resolved at compile-time

Which of the following is correct about dynamic polymorphism?

Which operator is overloaded for a cout object?

Which members are inherited but are not accessible in any case?

What happens if we run the following code in both C and C++?

#include<stdio.h>
struct STRUCT
{
  int a;
  int func()
  {
      printf("HELLO THIS IS STRUCTURE\n");
  }
};
int main()
{
  struct STRUCT s;
  s.func();
  return 0;
}

What happens if the following code is compiled on both C and C++?

#include<stdio.h>
struct STRUCT
{
private:
	int a;
};
int main()
{
	printf("%d\n", (int)sizeof(struct STRUCT));
	return 0;
}

What happens if the following program is executed in C and C++?

#include <stdio.h> 
int main(void) 
{ 
	const int j = 20; 
	int *ptr = &j;
	printf("*ptr: %d\n", *ptr); 
	return 0; 
}

Which of the following C++ code will give error on compilation?

================code 1=================
#include <iostream>
using namespace std;
int main(int argc, char const *argv[])
{
	cout<<"Hello World";
	return 0;
}
========================================
================code 2=================
#include <iostream>
int main(int argc, char const *argv[])
{
	std::cout<<"Hello World";
	return 0;
}
========================================

What will be the output of the following C++ code?

#include <stdio.h>
int main()
{
   const int x;
   x = 10;
   printf("%d", x);
   return 0;
}

In which part of the for loop termination condition is checked?

for(I;II;III)
{IV}