Explain the use of virtual, sealed, override, and abstract.
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Answer Posted / Lalit Kumar Yadav
"Virtual: A virtual method in C# can be overridden by a derived class. It allows for polymorphism.nnSealed: A sealed class cannot be inherited by any other class, and a sealed method cannot be overridden.nnOverride: When you override a method, you provide a new implementation of an existing method in a derived class.nnAbstract: An abstract class is a base class that cannot be instantiated. It contains abstract methods that must be implemented by any derived class."
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