Difference between revisions of "Sealed Modifier"
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(Created page with "Category:OOP Category:CSharp Category:Extreme Programming Prevents derivation of classes or overriding of methods. <pre class="brush:csharp;"> public sealed clas...") |
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Latest revision as of 10:45, 13 June 2017
Prevents derivation of classes or overriding of methods.
public sealed class Circle : Shape
you cannot derive a class from Circle
public class Circle : Shape
{
public sealed override void Draw()
{
.....
}
}
seal can be applied to only overriden methods.
Why ?
Sealed classes are slightly faster because of some run time optimizations.
Related Subjects : interface, Polymorphism, Abstract
