Which Operator Is Used to Determine If an Object Is

question 34

Multiple Choice

Which operator is used to determine if an object is of a particular class type?

• A) The operator new
• B) The dot (.) operator
• C) The instanceof operator
• D) The + operator

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Definitions:

Reactivity

The inclination of a material to participate in chemical changes, alone or in combination with other elements, leading to the liberation of energy.

Chlorine

A highly reactive, greenish-yellow gaseous element used in water purification and the production of numerous chemicals.

Aluminum Chloride

A chemical compound with the formula AlCl3, widely used in the chemical industry as a catalyst and as a component in a variety of chemical reactions.

O,p-director

Substituents in aromatic substitution reactions that direct incoming substituents to the ortho and para positions relative to themselves.