sealed class

Wide-eyed Wolf answered on June 22, 2022 Popularity 10/10 Helpfulness 4/10

answer sealed class

related C# sealed class

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sealed class

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A sealed class, in C#, is a class that cannot be inherited by any class but 
can be instantiated. The design intent of a sealed class is to indicate that 
the class is specialized and there is no need to extend it to provide any 
additional functionality through inheritance to override its behavior.

Example: 
	namespace Account;
    sealed class BankAccount {...}

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Contributed on Jun 22 2022

Wide-eyed Wolf

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C# sealed class

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The sealed keyword is used to prevent unintended derivation from a class. 
A sealed class cannot be an abstract class.

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Contributed on Nov 27 2022

PrashantUnity

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sealed class

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if (vehicle instanceof Car car) {
    return car.getNumberOfSeats();
} else if (vehicle instanceof Truck truck) {
    return truck.getLoadCapacity();
} else {
    throw new RuntimeException("Unknown instance of Vehicle");
}

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Contributed on Aug 16 2022

Golu Rawat

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sealed class

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public sealed interface Vehicle permits Car, Truck {

    String getRegistrationNumber();

}

public record Car(int numberOfSeats, String registrationNumber) implements Vehicle {

    @Override
    public String getRegistrationNumber() {
        return registrationNumber;
    }

    public int getNumberOfSeats() {
        return numberOfSeats;
    }

}

public record Truck(int loadCapacity, String registrationNumber) implements Vehicle {

    @Override
    public String getRegistrationNumber() {
        return registrationNumber;
    }

    public int getLoadCapacity() {
        return loadCapacity;
    }

}

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Tags: sealed-class sealed-cla

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Contributed on Aug 16 2022

Golu Rawat

0 Answers Avg Quality 2/10

sealed class

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