What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
template<class T, class U = char>
class A
{
T a;
U b;
public:
A(T a_val, char b_val = '$'){
this->a = a_val;
this->b = b_val;
}
void print(){
cout<<a<<' '<<b<<endl;
}
};
int main(int argc, char const *argv[])
{
A <int, int> a1(5,10);
A <int> a2(5);
A <float> a3(10.0);
return 0;
}
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;
template<class T, class U = char>
class A
{
T a;
U b;
public:
A(T a_val, char b_val = '$'){
this->a = a_val;
this->b = b_val;
}
void print(){
cout<<a<<' '<<b<<endl;
}
};
int main(int argc, char const *argv[])
{
A <int, int> a1(5,10);
A <int> a2(5);
A <float> a3(10.0);
return 0;
}A. 5 10
5 $
10 $
B. nothing
C. Error
D. Segmentation fault
Answer: Option B
This Question Belongs to C Plus Plus Programming >> C Plus Plus Miscellaneous
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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