Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClasses and objectsClasses and members

Sealed classes and interfaces

The access modifier issues

Report a typo

Choose all correct statements regarding the code below. Consider they are in the same Shape.java source file.

public sealed class Shape
        permits Triangle { }


sealed class Triangle extends Shape { }

public non-sealed class Rectangle extends Shape { }

Select one or more options from the list

The subclass Rectangle can't have a public modifier

The subclass Triangle should have at least one subclass

The base class Shape shouldn't be public

The Rectangle class isn't among the permitted classes of the Shape class

___

Create a free account to access the full topic