ADT Conversions Constructor - Quiz

J2EEOnline RationalDB

ADT Conversions Constructor - Quiz

1.	Explicit cast conversion is necessary:
	A.	anytime an int needs to be converted to a double
	B.	anytime any native type needs to be converted to another native type
	C.	anytime a user-defined type is used as an argument to a function
	D.	when the implicit conversion is not desired or expression is illegal otherwise

2.	A constructor is a conversion constructor if:
	A.	it takes two arguments: the "from-type" and "to-type"
	B.	it has only one "from-type" argument and the "to-type" is implied
	C.	it takes either two arguments or it takes only the "from-type" argument
	D.	the constructor has no arguments and is made for you by the compiler

3.	To convert from a user-defined type to a built-in type, you must add a special conversion member function to the class. This member function must:
	A.	use the operator keyword in its declaration
	B.	be a static member function
	C.	have a return type
	D.	not have an empty argument list

Score =
Correct answers:

Explanation