C++ Program to using constructor overloading

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

Constructor overloading in C++

Test() { 
Test(int) { 

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

using namespace std;

class Test {
   int x;

   Test() {
       x = 10;

   Test(int y) {
       x = y;

   void display() {
     cout << "value of x is:" << x << endl;

int main() {

   Test t1;

   Test t2(20);

   return 0;


value of x is:10
value of x is:20

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