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Dive deep into the fascinating world of Classes and Operator Overloading in C++ with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Classes and Operator Overloading in C++, 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 Classes and Operator Overloading in C++, 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++.
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Classes and Operator Overloading in C++ MCQs | Page 13 of 39
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using namespace std; class Distance { private: int feet; int inches; public: Distance() { feet = 0; inches = 0; } Distance(int f, int i) { feet = f; inches = i; } Distance operator()(int a, int b, int c) { Distance D; D.feet = a + c + 10; D.inches = b + c + 100 ; return D } void displayDistance() { cout << feet << inches << endl; } }; int main() { Distance D1(11, 10), D2; cout << "First Distance : "; D1.displayDistance(); D2 = D1(10, 10, 10); cout << "Second Distance :"; D2.displayDistance(); return 0; }
using namespace std; void duplicate (int& a, int& b, int& c) { a *= 2; b *= 2; c *= 2; } int main () { int x = 1, y = 3, z = 7; duplicate (x, y, z); cout << x << y << z; return 0; }
using namespace std; class three_d { int x, y, z; public: three_d() { x = y = z = 0; } three_d(int i, int j, int k) { x = i; y = j; z = k; } three_d operator()(three_d obj); three_d operator()(int a, int b, int c); friend ostream &operator<<(ostream &strm, three_d op); }; three_d three_d::operator()(three_d obj) { three_d temp; temp.x = (x + obj.x) / 2; temp.y = (y + obj.y) / 2; temp.z = (z + obj.z) / 2; return temp; } three_d three_d::operator()(int a, int b, int c) { three_d temp; temp.x = x + a; temp.y = y + b; temp.z = z + c; return temp; } ostream &operator<<(ostream &strm, three_d op) { strm << op.x << ", " << op.y << ", " << op.z << endl; return strm; } int main() { three_d objA(1, 2, 3), objB(10, 10, 10), objC; objC = objA(objB(100, 200, 300)); cout << objC; return 0; }
using namespace std; class Complex { private: float real; float imag; public: Complex():real(0), imag(0){} Complex operator ()(float re, float im) { real += re; imag += im; return *this; } Complex operator() (float re) { real += re; return *this; } void display() { cout << "(" << real << "," << imag << ")" << endl; } }; int main() { Complex c1, c2; c2 = c1(3.2, 5.3); c1(6.5, 2.7); c2(1.9); cout << "c2=";c1.display(); cout << "c2=";c2.display(); return 0; }
using namespace std; int operate (int a, int b) { return (a * b); } float operate (float a, float b) { return (a / b); } int main () { int x = 5, y = 2; float n = 5.0, m = 2.0; cout << operate (x, y); cout << operate (n, m); return 0; }
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