Examveda

What will be the output of the following C++ code?
#include<iostream>
#include<stdlib.h>
using namespace std; 
template<class T, class U>
class A  
{
    T x;
    U y;
};
 
int main()  
{
   A<char, char> a;
   A<int, int> b;
   cout << sizeof(a) << endl;
   cout << sizeof(b) << endl;
   return 0;
}

A. 2
8

B. 8
2

C. 1
4

D. 4
1

Answer: Option A


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What is the difference between '++i' and 'i++' in C++?

A. None of the above

B. They both have the same effect

C. '++i' increments the value of 'i' before returning it, while 'i++' increments the value of 'i' after returning it

D. '++i' increments the value of 'i' after returning it, while 'i++' increments the value of 'i' before returning it