A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.

A __________ is a constructor that either has no parameters, or if it

1.	A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.
A.	default constructor
B.	copy constructor
C.	Both A and B
D.	None of these
Answer» B. copy constructor

Discussion

No Comment Found

Related MCQs

Which of the following statement is correct about the program given below? <pre><code class="cpp">#include<iostream.h> long FactFinder(long = 5); int main() { for(int i = 0; i<= 0; i++) cout<< FactFinder() << endl; return 0; } long FactFinder(long x) { if(x < 2) return 1; long fact = 1; for(long i = 1; i <= x-1; i++) fact = fact * i; return fact; }</code></pre>
Which of the following statement is correct about the program given below? <pre><code class="cpp">#include<iostream.h> static int Result; class India { public: void Change(int x = 10, int y = 20, int z = 30) { cout<< x + y + z; } void Display(int x = 40, float y = 50.00) { Result = x % x; cout<< Result; } }; class Bix { int x, y; public: void Change(int x, int y = 50) { cout<< x + y; } }; class IndiaBix: public India, public Bix { public: void Display(int x = 10, int xx = 100, int xxx = 1000) { Result = x + xx % x * x; cout<< Result ; } }; int main() { IndiaBix objBix; objBix.India::Display(10, 20.00); return 0; }</code></pre>
Which of the following statement is correct about the program given below? <pre><code class="cpp">#include<iostream.h> class IndiaBix { int x; float y; public: void BixFunction(int = 0, float = 0.00f, char = 'A'); void BixFunction(float, int = 10.00, char = 'Z'); void BixFunction(char, char, char); }; int main() { IndiaBix objBix; objBix.BixFunction(10 * 1.0, int(56.0)); return 0; } void IndiaBix::BixFunction(int xx, float yy, char zz) { x = xx + int(yy); cout<< "x = " << x << endl; } void IndiaBix::BixFunction(float xx, int yy, char zz) { x = zz + zz; y = xx + yy; cout<< " x = " << x << endl; } void IndiaBix::BixFunction(char xx, char yy, char zz) { x = xx + yy + zz; y = float(xx * 2); cout<< " x = " << x << endl; }</code></pre>
What will be the output of the following program? <pre><code class="cpp">#include<iostream.h> class Base { public: int S, A, M; Base(int x, int y) { S = y - y; A = x + x; M = x * x; } Base(int, int y = 'A', int z = 'B') { S = y; A = y + 1 - 1; M = z - 1; } void Display(void) { cout<< S << " " << A << " " << M << endl; } }; class Derived : public Base { int x, y, z; public: Derived(int xx = 65, int yy = 66, int zz = 67): Base(x) { x = xx; y = yy; z = zz; } void Display(int n) { if(n) Base::Display(); else cout<< x << " " << y << " " << z << endl; } }; int main() { Derived objDev; objDev.Display(-1); return 0; }</code></pre>
What will be the output of the following program? <pre><code class="cpp">#include<iostream.h> class Base { public: char S, A, M; Base(char x, char y) { S = y - y; A = x + x; M = x * x; } Base(char, char y = 'A', char z = 'B') { S = y; A = y + 1 - 1; M = z - 1; } void Display(void) { cout<< S << " " << A << " " << M << endl; } }; class Derived : public Base { char x, y, z; public: Derived(char xx = 65, char yy = 66, char zz = 65): Base(x) { x = xx; y = yy; z = zz; } void Display(int n) { if(n) Base::Display(); else cout<< x << " " << y << " " << z << endl; } }; int main() { Derived objDev; objDev.Display(0-1); return 0; }</code></pre>
Which of the following statement is correct about the program given below? <pre><code class="cpp">#include<iostream.h> static double gDouble; static float gFloat; static double gChar; static double gSum = 0; class BaseOne { public: void Display(double x = 0.0, float y = 0.0, char z = 'A') { gDouble = x; gFloat = y; gChar = int(z); gSum = gDouble + gFloat + gChar; cout << gSum; } }; class BaseTwo { public: void Display(int x = 1, float y = 0.0, char z = 'A') { gDouble = x; gFloat = y; gChar = int(z); gSum = gDouble + gFloat + gChar; cout << gSum; } }; class Derived : public BaseOne, BaseTwo { void Show() { cout << gSum; } }; int main() { Derived objDev; objDev.BaseTwo::Display(10, 20, 'Z'); return 0; }</code></pre>
What will be the output of the following program? <pre><code class="cpp">#include<iostream.h> double BixFunction(double, double, double = 0, double = 0, double = 0); int main() { double d = 2.3; cout<< BixFunction(d, 7) << " "; cout<< BixFunction(d, 7, 6) << endl; return 0; } double BixFunction(double x, double p, double q, double r, double s) { return p +(q +(r + s * x)* x) * x; }</code></pre>
What will be the output of the following program? <pre><code class="cpp">#include<iostream.h> int main() { float Amount; float Calculate(float P = 5.0, int N = 2, float R = 2.0); Amount = Calculate(); cout<< Amount << endl; return 0; } float Calculate(float P, int N, float R) { int Year = 1; float Sum = 1 ; Sum = Sum * (1 + P * ++N * R); Year = (int)(Year + Sum); return Year; }</code></pre>
Which of the following statement is correct about the program given below? <pre><code class="cpp">#include<iostream.h> class IndiabixSample { private: int AdditionOne(int x, int y = 1) { return x * y; } public: int AdditionTwo(int x, int y = 1) { return x / y; } }; int main() { IndiabixSample objBix; cout<<objBix.AdditionOne(4, 8)<<" "; cout<<objBix.AdditionTwo(8, 8); return 0; }</code></pre>
What will be the out of the following program? <pre><code class="cpp">#include<iostream.h> class BixBase { protected: int x, y; public: BixBase(int xx = 0, int yy = 0) { x = xx; y = yy; } void Show() { cout<< x * this->y << endl; } }; class BixDerived { private: BixBase objBase; public: BixDerived(int xx, int yy) : objBase(xx, yy) { objBase.Show(); } ~BixDerived() { } }; int main() { BixDerived objDev(10, 20); return 0; }</code></pre>

A __________ is a constructor that either has no parameters, or if it has parameters, all the parameters have default values.

Discussion

No Comment Found

Related MCQs

Reply to Comment