C++ Program to using the default constructor


In this program, You will learn how to implement the default constructor in C++.


Default constructor in C++

Test() { 
    //statement
}

Example: How to implement default constructor in C++.

#include<iostream>
using namespace std;

class Test {
public:
   int a;

   Test() {
       cout << "Enter a number:";
       cin >> a;
   }

   void display() {
       cout << "Value of a is:" << a;
   }
};

int main() {

   Test obj;
   obj.display();

   return 0;
}

Output:

Enter a number:120
Value of a is:120

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