var List1 = (IEnumerable<XElement>)null; var List2 = (IEnumerable<XElement>)null; var List3 = (IEnumerable<XElement>)null; var List4 = (IEnumerable<XElement>)null; var List1 = default(null); var List2 = default(null); var List3 = default(null); var List4 = default(null);
var List1 = (string)null;
var List2 = (string)null;
var List3 = (string)null;
var List4 = (string)null;
We can define var as null , with typecasting when we already know the type of object which we want to store further in our code, or when we are not sure of the object we want [.....]
