C++ Template Question:
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What is the output of this program?

#include <iostream>
using namespace std;
template <class type>
class Test
{
public:
Test()
{
};
~Test()
{
};
type Funct1(type Var1)
{
return Var1;
}
type Funct2(type Var2)
{
return Var2;
}
};
int main()
{
Test<int> Var1;
Test<double> Var2;
cout << Var1.Funct1(200);
cout << Var2.Funct2(3.123);
return 0;
}
a) 100
b) 200
c) 3.123
d) 200 3.123

C++ Template Interview Question

Answer:

d) 200 3.123

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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 mentioned

What is the output of this program?

#include <iostream>
using namespace std;
template <typename T, int count>
void loopIt(T x)
{
T val[count];
for(int ii = 0; ii < count; ii++)
{
val[ii] = x++;
cout << val[ii] << endl;
}
};
int main()
{
float xx = 2.1;
loopIt<float, 3>(xx);
}
a) 2.1
b) 3.1
c) 4.1
d) 2.1
3.1
4.1