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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 24 of 39
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class BitsTest { public: BitsTest(int &x, int &y) { x++; y++; } }; int main() { int a = 10, b = 20; BitsTest objBT(a, b); cout<< a << " " << b; return 0; }
enum xyz { a, b, c }; int main() { int x = a, y = b, z = c; int &p = x, &q = y, &r = z; p = ++x; q = ++y; r = ++c; cout<< p << q << r; return 0; }
int main() { int arr[] = {1, 2 ,3, 4, 5}; int &zarr = arr; for(int i = 0; i <= 4; i++) { arr[i] += arr[i]; } for(i = 0; i <= 4; i++) cout<< zarr[i]; return 0; }
struct Bits { short n; }; int main() { Bits b; Bits& rb = b; b.n = 5; cout << b.n << " " << rb.n << " "; rb.n = 8; cout << b.n << " " << rb.n; return 0; } enum xyz { a, b, c }; int main() { int x = a, y = b, z = c; int &p = x, &q = y, &r = z; p = z; p = ++q; q = ++p; z = ++q + p++; cout<< p << " " << q << " " << z; return 0; }
int BitsFunction(int m) { m *= m; return((10)*(m /= m)); } int main() { int c = 9, *d = &c, e; int &z = e; e = BitsFunction(c-- % 3 ? ++*d :(*d *= *d)); z = z + e / 10; cout<< c << " " << e; return 0; } class Bits { int x, y; public: Bits(int x, int y) { this->x = x; this->y = y; } void Display() { cout<< x << " " << y; } }; int main() { int x = 50; int &y = x ; Bits b(y, x); return 0; }
class Compscibits { int x, y; public: void SetValue(int &xx, int &yy) { x = xx++; y = yy; cout<< xx << " " << yy; } }; int main() { int x = 10; int &y = x; Compscibits objBits; objBits.SetValue(x , y); return 0; }
class Compscibits { int x, y; public: void SetValue(int &a, int &b) { a = 100; x = a; y = b; Display(); } void Display() { cout<< x << " " << y; } }; int main() { int x = 10; Compscibits objBits; objBits.SetValue(x, x); return 0; }
class CompScibits { int x, y; public: void SetValue(int &xx, int &yy) { x = xx ++; y = yy; Display(); } void Display() { cout<< x << " " << y; } }; int main() { int x = 10; int &y = x; CompScibits objBits; objBits.SetValue(x , y); return 0; } class CompScibits { int x, y; public: CompScibits(int &xx, int &yy) { x = xx; y = yy; Display(); } void Display() { cout<< x << " " << y; } }; int main() { int x1 = 10; int &p = x1; int y1 = 20; int &q = y1; CompScibits objBits(p, q); return 0; } int i, j; class CompScibits { public: CompScibits(int x = 0, int y = 0) { i = x; j = x; Display(); } void Display() { cout<< j <<" "; } }; int main() { CompScibits objBits(10, 20); int &s = i; int &z = j; i++; cout<< s-- << " " << ++z; return 0; }
int x, y; class BitsTest { public: BitsTest(int xx = 0, int yy = 0) { x = xx; y = yy; Display(); } void Display() { cout<< x << " " << y << " "; } }; int main() { BitsTest objBT(10, 20); int &rx = x; int &ry = y; ry = x; rx = y; cout<< rx--; return 0; }
class Compscibits { int a, b, c; public: void SetValue(int x, int y ,int z) { a = x; b = y; c = z; } void Display() { cout<< a << " " << b << " " << c; } }; int main() { Compscibits objBits; int x = 2; int &y = x; y = 5; objBits.SetValue(x, ++y, x + y); objBits.Display(); return 0; }
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