What will be the output of the following C++ code?
#include <iostream>
using namespace std;
int main()
{
int x = -1;
char *ptr;
ptr = new char[256];
try
{
if (x < 0)
{
throw x;
}
if (ptr == NULL)
{
throw " ptr is NULL ";
}
}
catch (...)
{
cout << "Exception occurred: exiting "<< endl;
}
return 0;
}
#include <iostream>
using namespace std;
int main()
{
int x = -1;
char *ptr;
ptr = new char[256];
try
{
if (x < 0)
{
throw x;
}
if (ptr == NULL)
{
throw " ptr is NULL ";
}
}
catch (...)
{
cout << "Exception occurred: exiting "<< endl;
}
return 0;
}A. -1
B. ptr is NULL
C. exception occured: exiting
D. 1
Answer: Option C
What does the 'sizeof' operator return in C++?
A. Size of a data type in bits
B. Size of a data type in bytes
C. Size of a variable in bytes
D. Size of a variable in bits
What is the purpose of the 'static' keyword in C++?
A. To declare a variable with dynamic storage duration
B. To declare a constant
C. To declare a variable with external linkage
D. To declare a variable with static storage duration
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

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