What happens when a class with parameterized constructors and having no default constructor is used in a program and we create an object that needs a zero-argument constructor?

Related MCQs

• Output of following program? #include<iostream> using namespace std; class Point { Point() { cout <<"Constructor called"; } }; int main() { Point t1; return 0; }
• Which of the following is true about the following program #include <iostream> class Test { public: int i; void get(); }; void Test::get() { std::cout <<"Enter the value of i: "; std::cin >>i; } Test t; // Global object int main() { Test t; // local object t.get(); std::cout <<"value of i in local t: "<<t.i<<'\n'; ::t.get(); std::cout <<"value of i in global t: "<<::t.i<<'\n'; return 0; }
• Which of the following is true about new when compared with malloc. 1) new is an operator, malloc is a function 2) new calls constructor, malloc doesn't 3) new returns appropriate pointer, malloc returns void * and pointer needs to typecast to appropriate type.
• Every class has at least one constructor function, even when none is declared.
• There is nothing like a virtual constructor of a class.
• #include<iostream> using namespace std; class Point { public: Point() { cout <<"Constructor called"; } }; int main() { Point t1, *t2; return 0; }
• Can constructors be overloaded?
• Which of the following is true about constructors. They cannot be virtual.  They cannot be private. They are automatically called by new operator
• The default access level assigned to members of a class is              
• Which of the following interface determines how your program will be used by other program?