#include <iostream>
#include <thread>

using namespace std ;

class Functor1
{
public:
    void operator()(int delay)
    {
	   cout << "Inside the start of Functor1 method." << endl ;
       this_thread::sleep_for(chrono::milliseconds(delay));
       cout << "Inside the end of Functor1 method." << endl ;
    }

};



int main()
{
	//TO DO Create 2 threads using the Functor1 class
	//. Pass some delay. Observer the output.
    Functor1 Functor1Object ;
    thread t1( Functor1Object, 1000 ) ;
    thread t2( Functor1Object, 1000 ) ;


    //TO DO Add the join statements so that the
    //main waits for the threads to finish
    t1.join() ;
    t2.join() ;
    cout << "main thread\n";
    return 0;
}