91. Which is used to tell the computer that where a pointer is pointing to?
92. What will be the output of the following C++ code?
#include <iostream>
#include <cmath>
using namespace std;
class Complex
{
private:
double real;
double imag;
public:
Complex(double r = 0.0, double i = 0.0) : real(r), imag(i)
{}
double mag()
{
return getMag();
}
operator double ()
{
return getMag();
}
private:
double getMag()
{
return sqrt(real * real + imag * imag);
}
};
int main()
{
Complex com(3.0, 4.0);
cout << com.mag();
cout << com;
return 0
}
#include <iostream>
#include <cmath>
using namespace std;
class Complex
{
private:
double real;
double imag;
public:
Complex(double r = 0.0, double i = 0.0) : real(r), imag(i)
{}
double mag()
{
return getMag();
}
operator double ()
{
return getMag();
}
private:
double getMag()
{
return sqrt(real * real + imag * imag);
}
};
int main()
{
Complex com(3.0, 4.0);
cout << com.mag();
cout << com;
return 0
}93. What is the scope of typedef defined data types?
94. What is the associativity of add(+);?
95. Which is called ternary operator?
96. How the objects are self-referenced in a member function of that class.
97. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
class number
{
int i;
public:
int geti();
void puti(int j);
};
int number::geti()
{
return i;
}
void number::puti(int j)
{
i = j;
}
int main()
{
number s;
s.puti(10);
cout << s.geti( );
return 0;
}
#include <iostream>
using namespace std;
class number
{
int i;
public:
int geti();
void puti(int j);
};
int number::geti()
{
return i;
}
void number::puti(int j)
{
i = j;
}
int main()
{
number s;
s.puti(10);
cout << s.geti( );
return 0;
}98. How many objects can present in a single class?
99. How many member functions are there in this C++ class excluding constructors and destructors?
class Box
{
int capacity;
public:
void print();
friend void show();
bool compare();
friend bool lost();
};
class Box
{
int capacity;
public:
void print();
friend void show();
bool compare();
friend bool lost();
};100. In which form does the function call operator can be overloaded?
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