Many businesses use ________ to provide customer support instead of using telephones

Java _____________ were intended to be run over the Internet.

(a) applications (b) applets (c) both A and B (d) none of the above

Is the following legal? Why or why not?

Consider the class definition: ``` class IntPair { int first; int second; public: IntPair(int firstValue, int secondValue); const IntPair operator++( ); //Prefix version const IntPair operator++(int); //Postfix version int getFirst( ) const; int getSecond( ) const; }; ``` ``` IntPair a(1,2); (a++)++; ```