Question:Type-hinting and the instanceof keyword can be used to check what types of things about variables? 

A If a particular child class extends from it 
B If they are an instance of a particular interface 
C If they are an abstract class 
D If they have a particular parent class 
E If they are an instance of a particular class 

+ Answer
B D E 

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Mohammad Towhidul Islam

Editor, VCampus

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