!= : not identity, it compares the two Objects to see if they are not the same (i.e.both variable point to the same space in RAM) = : identity, it compares the two Objects to see if they are the same (i.e.!= : not equals, it compares the data of the two operands for non-equivalency.= : equals to, it compares the data of the two operands for equivalency.
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