Constructors have _____ return type.

Related MCQs

• Which of the following is true about constructors? 1) They cannot be virtual. 2) They cannot be private. 3) They are automatically called by new operator.
• For automatic objects, constructors and destructors are called each time the objects
• Output of the program? #include<iostream> using namespace std; int fun(int x = 0, int y = 0, int z) { return (x + y + z); } int main() { cout << fun(10); return 0; }
• Output of following program? #include <iostream> using namespace std; int fun(int=0, int = 0); int main() { cout << fun(5); return 0; } int fun(int x, int y) { return (x+y); }
• Implicit return type of a class constructor is:
• Return type of uncaught_exception () is ________________.
• Output of following program? #include<iostream> using namespace std; class Point { Point() { cout << "Constructor called"; } }; int main() { Point t1; return 0; }
• #include<iostream> using namespace std; class Point { public: Point() { cout << "Constructor called"; } }; int main() { Point t1, *t2; return 0; }
• Output of following C++ program? #include<iostream> using namespace std; int main() { int x = 10; int& ref = x; ref = 20; cout << "x = " << x << endl ; x = 30; cout << "ref = " << ref << endl; return 0; }
• Predict the output of following C++ program. #include<iostream> using namespace std; class Empty {}; int main() { cout << sizeof(Empty); return 0; }