Welcome to the Class Hierarchies,Library and Containers MCQs Page
Dive deep into the fascinating world of Class Hierarchies,Library and Containers with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Class Hierarchies,Library and Containers, a crucial aspect of Object Oriented Programming Using C++. In this section, you will encounter a diverse range of MCQs that cover various aspects of Class Hierarchies,Library and Containers, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Object Oriented Programming Using C++.
Check out the MCQs below to embark on an enriching journey through Class Hierarchies,Library and Containers. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Object Oriented Programming Using C++.
Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Class Hierarchies,Library and Containers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!
Class Hierarchies,Library and Containers MCQs | Page 2 of 15
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#include <iostream>
using namespace std;
class polygon
{
protected:
int width, height;
public:
void set_values (int a, int b)
{
width = a; height = b;}
};
class output1
{
public:
void output (int i);
};
void output1::output (int i)
{
cout << i << endl;
}
class rectangle: public polygon, public output1
{
public:
int area ()
{
return (width * height);
}
};
class triangle: public polygon, public output1
{
public:
int area ()
{
return (width * height / 2);
}
};
int main ()
{
rectangle rect;
triangle trgl;
rect.set_values (4, 5);
trgl.set_values (4, 5);
rect.output (rect.area());
trgl.output (trgl.area());
return 0;
} #include <iostream>
using namespace std;
class Base
{
public:
virtual void print() const = 0;
};
class DerivedOne : public Base
{
public:
void print() const
{
cout << "DerivedOne\n";
}
};
class DerivedTwo : public Base
{
public:
void print() const
{
cout << "DerivedTwo\n";
}
};
class Multiple : public DerivedOne, public DerivedTwo
{
public:
void print() const
{
DerivedTwo :: print();
}
};
int main()
{
int i;
Multiple both;
DerivedOne one;
DerivedTwo two;
Base *array[ 3 ];
array[ 0 ] = &both;
array[ 1 ] = &one;
array[ 2 ] = &two;
array[ i ] -> print();
return 0;
} #include <iostream>
using namespace std;
class student
{
public:
int rno , m1 , m2 ;
void get()
{
rno = 15, m1 = 10, m2 = 10;
}
};
class sports
{
public:
int sm;
void getsm()
{
sm = 10;
}
};
class statement:public student,public sports
{
int tot,avg;
public:
void display()
{
tot = (m1 + m2 + sm);
avg = tot / 3;
cout << tot;
cout << avg;
}
};
int main()
{
statement obj;
obj.get();
obj.getsm();
obj.display();
} #include <iostream>
using namespace std;
struct a
{
int count;
};
struct b
{
int* value;
};
struct c : public a, public b
{
};
int main()
{
c* p = new c;
p->value = 0;
cout << "Inherited";
return 0;
} #include <iostream>
using namespace std;
class Base1
{
protected:
int SampleDataOne;
public:
Base1()
{
SampleDataOne = 100;
}
~Base1()
{
}
int SampleFunctOne()
{
return SampleDataOne;
}
};
class Base2
{
protected:
int SampleDataTwo;
public:
Base2()
{
SampleDataTwo = 200;
}
~Base2()
{
}
int SampleFunctTwo()
{
return SampleDataTwo;
}
};
class Derived1 : public Base1, public Base2
{
int MyData;
public:
Derived1()
{
MyData = 300;
}
~Derived1()
{
}
int MyFunct()
{
return (MyData + SampleDataOne + SampleDataTwo);
}
};
int main()
{
Base1 SampleObjOne;
Base2 SampleObjTwo;
Derived1 SampleObjThree;
cout << SampleObjThree.Base1 :: SampleFunctOne() << endl;
cout << SampleObjThree.Base2 :: SampleFunctTwo() << endl;
return 0;
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