Computer scienceProgramming languagesJavaCode organizationObject-oriented programmingClass hierarchiesBuilding class hierarchies

Runtime type checking

Hierarchy of classes

Report a typo

You are given two classes:

class A { }

class B extends A { }

and an object:

A a = new B();

Select all incorrect statements.

Select one or more options from the list

the statement a.getClass() == B.class returns false

the statement a instanceof B returns true

the statement a instanceof A returns true

the statement a.getClass() == A.class returns true

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