Virtual Methods & Polymorphism in C# Internet Articles | September 24 Cheap Michael Dickson Jersey , 2004
Virtual methods allow object oriented ... to express ... means that a derived class can write a method with the same ... as a methd in its base class, and the bas class will


Virtual methods allow object oriented languages to express polymorphism.This means that a derived class can write a method with the same signature as a methd in its base class, and the bas class will call the derived class's method.By default in java, all methods are virtual.

In C# like c++ Cheap Will Dissly Jersey , the virtual keyword is needed to specify that a method should override a method (or implementaion an abstract method) of its base class.

Class B {
public virtual void foo () {}

}
ClassD : B {
public override void foo () {}
}

Attemting to override a non-virtual method will results in a compile-time error unless the "new" keyword is added to the declaration, indicating the method is intentionally hiding the base clas's method.

Class N : D {
public new void foo () {}
}
N n = new N ();n.foo; calls N's foo ((D)n).foo; calls D's foo
((B)n).foo(); calls D's foo

In contrast to both c++ and Java, requiring the override keyword makes
it more clear as to what methods are overridden when looking at source
code.However, requiring the use of the virtual methods has its pros and
cons. The first pro is the slightly increased execution speed from
avoiding virtual methods.The second pro is to make clear what methods are
intended to be overridden.However Cheap Rashaad Penny Jersey , this pro can also be a con.Compare
the default option of leaving out a final modifier in Java Vs leaving out
a virtual modifier in C++. The default option in Java may make your
program slightly less efficient, but in C++ it may prevent extendibility,
albeit unforeseen, by the implementer of the base class. Article Tags: Virtual Methods


Jewelry Box Buying Guide ECommerce Articles | May 29 Cheap Kam Chancellor Jersey , 2008
Jewelry boxes come in a variety of sizes and styles, all with the goal of storing, protecting, organizing Cheap Doug Baldwin Jersey , and displaying jewelry. Boxes for jewelry may be leather, fabric, or wood. There are boxes intended for travel or home and men, women Cheap Earl Thomas III Jersey , or children. So how do you buy a jewelry box?

Jewelry Box Buying Guide

Jewelry boxes can be made from?wood, leather, metal, or various types of fabric. Some boxes are intended specifically for protecting and organizing your jewelry while you travel Cheap Russell Wilson Jersey , while others are intended to compliment the decor of your home. Most jewelry boxes made with women in mind, but there are also jewelry boxes for men and jewelry boxes for children.


With so many choices how do you choose the right jewelry box? How do you select the best one? The key is the think about how much and what type of jewelry you have, how you want to use your jewelry box, and then set a budget. Below are some popular types of jewelry boxes. Each one has its own unique appeal and is designed to keep your jewelry safe and secure. All you have to do is pick the one you like.

Wooden Jewelry BoxesWooden jewelry boxes are often the largest. Most contain several drawers and possibly one or two cabinets with glass or wood doors. They're frequently constructed of oak or mahogany Cheap 12th Fan Jersey , but other woods such as teak or burl wood may be used. Women's jewelry boxes can range from very small chests designed to tuck into a drawer to large bureaus on legs. Most boxes fall in the middle range and provide ample storage for earrings, necklaces, rings, and bracelets. The drawers may slide out or lift out accordion style. Wooden boxes for jewelry are traditionally have