Lesson 1
1)Making a variable nullable bool? mybool = null;
int? myint = null;
2)System.Drawing.Point p;
p.Offset() : translates the points by specified amount.
3)Console.WriteLine() will call ToString() Automatically.
4)String is a reference type not value type.
Lesson 4
Boxing converts a value type to a reference type, and Unboxing converts a reference type to a value type.
