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What Is A Sealed Class? |
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Answer» A sealed class is a class that cannot be inherited from. This means, If you have a class CALLED Customer that is marked as sealed. No other class can inherit from Customer class. For EXAMPLE, the below code generates a compile time error "MainClass cannot derive from sealed type Customer. USING System; public sealed class Customer { } public class MainClass : Customer { public static VOID Main() { } }A sealed class is a class that cannot be inherited from. This means, If you have a class called Customer that is marked as sealed. No other class can inherit from Customer class. For example, the below code generates a compile time error "MainClass cannot derive from sealed type Customer. using System; |
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