9. Conditional Operators
AND (&&) evaluates the second expression only if the first one
return true. https://gist.github.com/2318365
OR (||) evaluates the second expression only if the first one return
false. https://gist.github.com/2318398
15. Implicit typecasting (Coercion)
refers to an automatic conversion of data type
done when the destination data types belong to the same
hierarchy and the destination data type must hold a larger range of
values than the source data type
https://gist.github.com/2318445
17. Explicit typecasting
refers to changing a data type of higher precision into a data type of
lower precision.
the destination data type hold a smaller range of values than the
source data type
<tager data type> <variable name> = (target data
type) <source data type>;
https://gist.github.com/2318452
18. Explicit typecasting using built-in method
System.Convert class
Convert.ToChar(float)
ToString() method
https://gist.github.com/2318468
19. Boxing
converting a value type to its reference type.
20. Unboxing
converting a reference type to a value type
