Unit 10 - Modules

Question 1

A program unit (such as a library) should specify

Answer 1

an application programming interface (API)

ie the minimum information that application programmers need to know in order to use it successfully.

Question 2

Subprograms and declarations are usually the

Answer 2

smallest program units.

Question 3

Module (or, equivalently, a package or a namespace), which is a

Answer 3

named group of subprograms and declarations

Question 4

Java classes can be made private or protected, this is an example of an

Answer 4

encapsulation defined by program blocks because the private or protected components can be referred to only within the scope of certain class definitions.

Question 5

An abstract data type (ADT) is a

Answer 5

type whose values are not directly accessible — their form is private and invisible to any user of the type.

Question 6

The only way and abstract data type (ADT) values can be created, inspected and modified is via

Answer 6

a set of subprograms bundled together with the type.

Question 7

Give an example of a generic unit in Java

Answer 7

ArrayList<E> - E can be whatever object type you require. Arraylist behaves the same whatever object type E is.</E>