Question

Use appropriate constructors to initialize objects and demonstrate the use of both default and parameterized constructors in your program. Make assumptions, if necessary

07 Aug 2026
Answer :
Word Count : 989
Constructors are special member functions of a C++ class that are automatically invoked when an object of the class is created. They are mainly used to initialize the data members of an object. A constructor has the same name as the class and does not have a return type, not even `void`. C++ supports different types of constructors, among which default and parameterized constructors are commonly used. A default constructor initializes an object without receiving any arguments, whereas a parameterized constructor receives arguments and initializes an object with specific values. The following C++ program demonstrates the use of both default and parameterized constructors. The program assumes a `Student` class containing three data members: student name, roll number, and marks. ```cpp #include #include using namespace std; class Student { private: string name; int rollNo; float marks; public: // Default constructor Student() { name = "Unknown"; rollNo = 0; marks = 0.0; } // Parameterized constructor Student(string n, int r, float m) { name ________ ______ ___ ________ ___ __________.
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