Question 13 (5 points)

When using an abstract data type in a C++ client, which of the following should be used?

Question 13 options:

	with
	use
	import
	include

Save

Question 14 (5 points)

When defining an Ada abstract data type, where are the specification, representation and implementation customary placed, respectively?

Question 14 options:

	Public part of package specification, private part of package body, package body
	All are placed in the package body
	Public part of package specification, private part of package specification, package body
	All are placed in the package specification

Save

Question 15 (5 points)

Which of the following is a benefit of hiding the representation of the objects of an abstract data type?

Question 15 options:

	It insulates the client from representation changes
	It makes the program shorter
	It makes the program run faster
	It insulates the client from specification changes

Save

Question 16 (5 points)

Although parameterized abstract data types could be created in Java before version 5.0, what was the drawback to such collection classes?

Question 16 options:

	They ran much more slowly
	Objects extracted from collections required upcasts
	They required much more code
	Objects extracted from collections required downcasts

Save

Question 17 (5 points)

In which language is it not possible to instantiate a parameterized type with a primitive type?

Question 17 options:

	Java
	C#
	C++
	Ada 95

Save

Question 18 (5 points)

With data abstraction, what are the mechanisms for encapsulation and information hiding?

Question 18 options:

	Classes encapsulate and local variables hide information
	Subprograms encapsulate and local variables hide information
	Subprograms encapsulate and the private modifier hides information
	Classes encapsulate and the private modifier hides information

Save

Question 19 (5 points)

When defining a C++ abstract data type, in what files are the specification and implementation placed, respectively

Question 19 options:

	.obj and .h files
	.cpp and .h files
	.h and .cpp files
	.obj and .exe files

Save

Question 20 (5 points)

How many parameters does a default constructor have?

Question 20 options:

	At least one
	Exactly one
	It is the programmer's choice
	None