Question:When checking to see if two variables contain the same instance of an object, which of the following comparisons should be used? 

A if($obj1->equals($obj2) && ($obj1 instanceof $obj2)) 
B if($obj1->equals($obj2)) 
C if($obj1 === $obj2) 
D if($obj1 instanceof $obj2) 
E if($obj1 == $obj2) 

+ Answer
C 

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Mohammad Towhidul Islam

Editor, VCampus

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