Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClasses and objectsClasses and members

Sealed classes and interfaces

Permitted classes

Report a typo

Will you face any compilation issues in this code?

public abstract sealed class Shape
        permits Triangle, Square { }


final sealed class Triangle extends Shape { }

Select one or more options from the list

No, everything is fine here

Yes, you can't declare a subclass as final and sealed

Yes, abstract classes can't be sealed

Yes, a permitted Square class isn't declared

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