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C++ | Assign values to the private data members without using constructor

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mahmoud2506
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2022-05-05
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C++ | Assign values to the private data members without using constructor

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mahmoud2506
2022-05-05
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In the below program, we are creating a C++ program to assign values to the private data members without using constructor.

/* C++ program to assign values to the 
private data members without using constructor */

#include <iostream>
#include <string>
using namespace std;

// class definition
// "student" is a class
class Student {

private: // private access specifier
    int rollNo;
    string stdName;
    float perc;

public: //public access specifier
    //function to set the values
    void setValue()
    {
        rollNo = 0;
        stdName = "None";
        perc = 0.0f;
    }

    //function to print the values
    void printValue()
    {
        cout << "Student's Roll No.: " << rollNo << "\n";
        cout << "Student's Name: " << stdName << "\n";
        cout << "Student's Percentage: " << perc << "\n";
    }
};

int main()
{
    // object creation
    Student std;

    //calling function
    std.setValue();
    std.printValue();

    return 0;
}

Output

Student's Roll No.: 0
Student's Name: None
Student's Percentage: 0
 

See the above code, we created a method named setValue() – In the method definition, we are assigning default values to the private data members.

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