What is Constructor Overloading

Kindly explain me the concept of constructor overloading.

Constructor is a special function of class. It is not the same but something similar like function. Constructor is a function which call automatically at the time of execution of program. The name of a constructor is same as the name of the class. Constructor can take parameter also, Constructor containing parameter are called parametrized constructor.
Constructor overloading:

 #include <iostream>
using namespace std;

class MyClass {
public:
  int x;
  int y;

  // Overload the default constructor.
  MyClass() { x = y = 0; }

  // Constructor with one parameter.
  MyClass(int i) { x = y = i; }

  // Constructor with two parameters.
  MyClass(int i, int j) { x = i; y = j; }
}; 

int main() { 
  MyClass t;         // invoke default constructor
  MyClass t1(5);     // use MyClass(int)
  MyClass t2(9, 10); // use MyClass(int, int)

  cout << "t.x: " << t.x << ", t.y: " << t.y << "\n";
  cout << "t1.x: " << t1.x << ", t1.y: " << t1.y << "\n";
  cout << "t2.x: " << t2.x << ", t2.y: " << t2.y << "\n";

  return 0;
}


t.x: 0, t.y: 0
t1.x: 5, t1.y: 5
t2.x: 9, t2.y: 10