Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClass hierarchiesBuilding class hierarchies

Runtime type checking

Find a statement that returns false

Report a typo

Here's a class hierarchy consisting of three classes (fields and methods are skipped):

class Shape { }

class Shape2D extends Shape { }

class Circle extends Shape2D { }

We have an object:

Shape circle = new Circle();

Find a statement that returns false.

Select one option from the list

circle.getClass() == Circle.class

circle.getClass() == Shape2D.class

circle instanceof Circle

circle instanceof Shape

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