/*Constructor :- 
	1)It is used to intilase the private attribute  of class
	2)It is just like method
	3)Class name and constr name must be same
	4)constr can be overloded
	5)Cosntr can be parameterzied
	6)we dont need to call it.
	7)call automatically at the time of object creation	
	8)when we r not defining any constr there will be a default constr
	9)we dont use any return type
*/
class a
{
	private int k; 
	//Constr Overloding
	public a()//constr
	{
		k=1000;
	}
	public a(int p)//parameterzied constr
	{
		k=p;
	}
	
	//Public method
	public void display()
	{
		System.Console.WriteLine("The value of k is -->"+k);
	}
	
}
class b 
{
	public static void Main()
	{
		a x=new a();//uper wale ko  
		x.display(); 
		a y=new a(42432) ; //niche wale constr ko call karega
		y.display();		
	}
}