how to create object in asp.net

We can create the object of a class from any where either in the same class or from the other class.When created with in  a class we created under main method.As it was the entry point
Syntax to create an object

<class> <obj>=new <class>([<arglist>])
program p=new program()
p.method1();
p.method2();
p.method3();

Here program p is object ,
program p=new program() is for allocate memory