Related InterviewSolutions

• Which of the following operator is overloaded?(a) +(b) Operator(c) : : (d) =
• Which of the following operator is by default overloaded by the compiler?(a) *(b) + (c) + = (d) = = Based on the following program answer the questions (8) to (10) #includeusing namespace std;class Point {private: int x, y;public:Point(int x1,int y1){x=x1;y=y1;}void operator+(Point & pt3);void show() {cout << “x = ” << x << “y = ” << y; }};void Point: :operator + (Point & pt3){x+=pt3.x;y += pt3.y;}int main(){Point pt1(3, 2),pt2(5, 4);pt1+pt2;pt1.show();return 0;}
• Which of the following statement invoke operator overloading?(a) pt1 + pt2;(b) Point pt1(3, 2),pt2(5, 4);(c) ptl.show();(d) return 0;
• class sale ( int cost, discount ;public: sale(sale &); Write a non inline definition for constructor specified;
• class add{int x; public: add(int)}; Write an outline definition for the constructor.
• ………… cannot have default arguments.(a) Operator overloading(b) Overloaded operators(c) Function overloading(d) prototype
• Answer the questions based on the following program #include #include using namespace std; class comp {public:char[10];void getstring(char str[10]){strcpy(s,str);}void operator = = (comp);}; void comp::operator = = (comp ob){if(strcmp(s,ob.s) = = 0)cout << “\nStrings are Equal”;elsecout<< “\nStrings are not Equal”;}int main(){comp ob, ob1;char stringl[10], string2[10];cout <<“Enter First String:”; cin>> string1; ob.getstring(string1);cout<<“\n Enter Second String:”; cin>> string2; ob1.getstring(string2);ob = = obi;return 0;}(i) Mention the objects which will have the scope till the end of the program.(ii) Name the object which gets destroyed in between the program.(iii) Name the operator which is over loaded and write the statement that invokes it.(iv) Write out the prototype of the overloaded member function.(v) What types of operands are used for the overloaded operator?(vi) Which constructor will get executed? Write the output of the program
• Discuss the benefit of constructor overloading?
• Write the coding for the following output using constructor overloading.Output:Constructor without parameters.Parameterized constructor… Copy Constructor… Enter data… 20 30 Object a: The numbers are..20 30 The sum of the numbers are.. 50 Object b : The numbers are..10 20 The sum of the numbers are.. 30Object c.. The numbers are..10 20 The sum of the numbers are.. 30
• Give the output of the following program.#include<bit s/std C++h>using namesspace std;class Greeks{Public:void func(int x){cout<<"value of";}void func(double x){cout<<"value of";}void func(int x, int){cout<<"value of";}};int main(){Greeks obj1;obj1.func(7);obj1.func(9.132);obj1.func(85,64);return 0;}