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Initialise an Array of objects with Parameterised Constructors in C++

The C++ can initialize an array of objects with parameterized constructors by explicitly providing the constructor arguments for each object in the array during initialization. Here’s an example:

Let’s assume you have a class called Student with a parameterized constructor that takes a name and an age:

C++
#include <iostream>
#include <string>

class Student {
public:
    // Parameterized constructor
    Student(const std::string& name, int age) : name(name), age(age) {}

    // Member function to display student details
    void display() {
        std::cout << "Name: " << name << ", Age: " << age << std::endl;
    }

private:
    std::string name;
    int age;
};

int main() {
    // Initialize an array of Student objects with parameterized constructors
    Student students[] = {
        Student("Alice", 20),
        Student("Bob", 22),
        Student("Charlie", 21)
    };

    // Access and display the objects in the array
    for (const Student& student : students) {
        student.display();
    }

    return 0;
}

In this example:

  • The Student class has a parameterized constructor that takes a name and an age. It also has a display member function to display student details.
  • In the main function, we initialize an array of Student objects with parameterized constructors by providing the constructor arguments for each object in the curly braces {}.
  • We then loop through the array of Student objects and call the display member function to display the details of each student.

This way, you can create an array of objects and pass the required arguments to their parameterized constructors during initialization.

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