⟩ Can you please explain what is class using C++?
A class holds the data and functions that operate on the data. It serves as the template of an object.
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Which of the things does not require instantiation? a) functions b) non virtual member function c) member class d) all of the mentioned
Which keyword can be used in template? a) class b) typename c) both a & b d) function
What is the output of this program?
#include <iostream>
using namespace std;
template <class T, int N>
class mysequence
{
T memblock [N];
public
void setmember (int x, T value);
T getmember (int x);
};
template <class T, int N>
void mysequence<T,N> setmember (int x, T value)
{
memblock[x] = value;
}
template <class T, int N>
T mysequence<T,N> getmember (int x)
{
return memblock[x];
}
int main ()
{
mysequence <int, 5> myints;
mysequence <double, 5> myfloats;
myints.setmember (0, 100);
myfloats.setmember (3, 3.1416);
cout << myints.getmember(0) << 'n';
cout << myfloats.getmember(3) << 'n';
return 0;
}
a) 100
b) 3.1416
c) 100
3.1416
d) none of the mentionedWhat is the output of this program?
#include <iostream>
using namespace std;
template <class T>
T max (T a, T b)
{
return (a>b?ab);
}
int main ()
{
int i = 5, j = 6, k;
long l = 10, m = 5, n;
k = max(i, j);
n = max(l, m);
cout << k << endl;
cout << n << endl;
return 0;
}
a) 6
b) 6
10
c) 5
10
d) 6
5
