71. How many specifiers are present in access specifiers in class?
72. Which special character is used to mark the end of class?
73. What will be the output of the following C++ code?
#include <stdio.h>
#include<iostream>
using namespace std;
int main()
{
int x = 5, y = 5;
cout << ++x << --y << endl;
return 0;
}
#include <stdio.h>
#include<iostream>
using namespace std;
int main()
{
int x = 5, y = 5;
cout << ++x << --y << endl;
return 0;
}74. How to access the object in the class?
75. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
class base
{
int val1, val2;
public:
int get()
{
val1 = 100;
val2 = 300;
}
friend float mean(base ob);
};
float mean(base ob)
{
return float(ob.val1 + ob.val2) / 2;
}
int main()
{
base obj;
obj.get();
cout << mean(obj);
return 0;
}
#include <iostream>
using namespace std;
class base
{
int val1, val2;
public:
int get()
{
val1 = 100;
val2 = 300;
}
friend float mean(base ob);
};
float mean(base ob)
{
return float(ob.val1 + ob.val2) / 2;
}
int main()
{
base obj;
obj.get();
cout << mean(obj);
return 0;
}76. What will be the output of the following C++ code?
#include <iostream>
#include <string>
using namespace std;
class complex
{
int i;
int j;
public:
complex(int a, int b)
{
i = a;
j = b;
}
complex operator+(complex c)
{
complex temp;
temp.i = this->i + c.i;
temp.j = this->j + c.j;
return temp;
}
void show(){
cout<<"Complex Number: "<<i<<" + i"<<j<<endl;
}
};
int main(int argc, char const *argv[])
{
complex c1(1,2);
complex c2(3,4);
complex c3 = c1 + c2;
c3.show();
return 0;
}
#include <iostream>
#include <string>
using namespace std;
class complex
{
int i;
int j;
public:
complex(int a, int b)
{
i = a;
j = b;
}
complex operator+(complex c)
{
complex temp;
temp.i = this->i + c.i;
temp.j = this->j + c.j;
return temp;
}
void show(){
cout<<"Complex Number: "<<i<<" + i"<<j<<endl;
}
};
int main(int argc, char const *argv[])
{
complex c1(1,2);
complex c2(3,4);
complex c3 = c1 + c2;
c3.show();
return 0;
}77. In case of non-static member functions how many maximum object arguments a unary operator overloaded function can take?
78. What will be the output of the following C++ code?
#include <iostream>
using namespace std;
class sample1
{
float i, j;
};
class sample2
{
int x, y;
public:
sample2 (int a, int b)
{
x = a;
y = b;
}
int result()
{
return x + y;
}
};
int main ()
{
sample1 d;
sample2 * padd;
padd = (sample2*) &d;
cout<< padd->result();
return 0;
}
#include <iostream>
using namespace std;
class sample1
{
float i, j;
};
class sample2
{
int x, y;
public:
sample2 (int a, int b)
{
x = a;
y = b;
}
int result()
{
return x + y;
}
};
int main ()
{
sample1 d;
sample2 * padd;
padd = (sample2*) &d;
cout<< padd->result();
return 0;
}79. What will be the output of the following C++ code?
#include <iostream>
#include <string>
#include <cstring>
using namespace std;
int main(int argc, char const *argv[])
{
const char *a = "Hello\0World";
cout<<a;
return 0;
}
#include <iostream>
#include <string>
#include <cstring>
using namespace std;
int main(int argc, char const *argv[])
{
const char *a = "Hello\0World";
cout<<a;
return 0;
}80. What will be the output of the following C++ code?
#include <iostream>
#include <string>
using namespace std;
class A
{
static int a;
public:
void change(int i){
a = i;
}
void value_of_a(){
cout<<a;
}
};
int A::a = 5;
int main(int argc, char const *argv[])
{
A a1 = A();
A a2 = A();
A a3 = A();
a1.change(10);
a1.value_of_a();
a2.value_of_a();
a3.value_of_a();
return 0;
}
#include <iostream>
#include <string>
using namespace std;
class A
{
static int a;
public:
void change(int i){
a = i;
}
void value_of_a(){
cout<<a;
}
};
int A::a = 5;
int main(int argc, char const *argv[])
{
A a1 = A();
A a2 = A();
A a3 = A();
a1.change(10);
a1.value_of_a();
a2.value_of_a();
a3.value_of_a();
return 0;
}Read More Section(Classes and Objects in C plus plus)
Each Section contains maximum 100 MCQs question on Classes and Objects in C plus plus. To get more questions visit other sections.