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C# is a multiparadigm, managed, garbage-collected object-oriented programming language created by Microsoft in parallel with the .NET platform

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Yes, one crucial optimization is this: sealed class Foo { } In C#, this class can't be a supertype for any type, so you can avoid the check for an array of type Foo. And to the second question, in …
answered Jan 17 '12 by Lasse Espeholt