System.String is immutable. System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be perform...

System.Globalization and System.Resources.

class members that expose functionality of methods using the syntax of fields. They simplify the syntax of calling traditional get and set methods (a....

Yes. Just leave the class public and make the method sealed.

When you define a generic class, you can apply restrictions to the kinds of types that client code can use for type arguments when it instantiates you...

The method or property can be overridden and most importantly, the run-time type of the object determines which method is to be invoked.

used to properly check to see if an overflow exception has occurred

1) When the class itself is inherited from an abstract class2) When at least one of the methods in the class is abstract.

it's how message processing is done on the application's UI thread; has become a convenient place to take care of application housekeeping chores asyn...

they are classes, structures, interfaces, and methods that have placeholders (type parameters) for one or more of the types that they store or use. th...

In an interface, all methods are abstract; there is no implementation at all. In an abstract class, some methods can be concrete. In an interface, no...

A try/catch block can be optionally followed by a finally block that will be executed whether or not the code in the try or catch blocks executes succ...