Chapter 2

Question 1

data abstraction

Answer 1

separation of data type’s locical properties from its implementation

Question 2

information hiding

Answer 2

the practice of hiding details within a module with the goal of controlling access to the details from the rest of the system

Question 3

abstraction

Answer 3

model that includes only the details essential to the viewer’s perspective

Question 4

deallocate

Answer 4

return the storagge space for an object to the pool of free memory so it can be reallocated to new objects

Question 5

instantiation

Answer 5

creating a new object

Question 6

allocating

Answer 6

setting aside space in memory

Question 7

data encapsulation

Answer 7

separation of the representation of data from the applications that use the data at a logical level

Question 8

abstract data type

Answer 8

data type whose properties are specified independently of any particular implementation

Question 9

abstract methoid

Answer 9

methoid declared in a class or an interface without a method body

Question 10

signiture

Answer 10

distinguishing features of a method heading (method name and parameters)

Question 11

overloading

Answer 11

repeated use of a method name with a different signiture

Question 12

software testing

Answer 12

process of executing a program with data sets designed to discover errors

Question 13

unit testing

Answer 13

testing a class or method by itself

Question 14

functional domain

Answer 14

set of vailid input data

Question 15

black-box testing

Answer 15

testing program/method based on the possible input values (treat code as “black box”)

Question 16

software validation

Answer 16

process of determining the degree to which software fulfills its intended purpose (is this the correct job for this task?)

Question 17

software verification

Answer 17

process of determining the degree to which a software fulfills its specifications (are we doing the job correctly and is it running right?)

Question 18

deskchecking

Answer 18

tracing an execution ofa design or program on paper

Question 19

walk-through

Answer 19

verification method done by a team to perform manual simulation

Question 20

inspection

Answer 20

a verification method done by a team to read the program and point out errors

Question 21

test plan

Answer 21

document showing test cases for program

Question 22

test driver

Answer 22

a program that calls operations of individual classes

Question 23

self-referential class

Answer 23

class that has instance varaibles to hold a reference to an object of the same class (can the class reference itself)

Question 24

collection

Answer 24

obj holds other objects

Question 25

exceptional situation

Answer 25

unusual event dectectable by software or hardware

Question 26

unchecked exception

Answer 26

exception that does not need to be handled can happen anywhere in code (ex: div by zero or array out of bounds)

Question 27

inheritance of interface

Answer 27

when a class inherits an interface it gets its requirements

Question 28

can have multiple inheritance?

Answer 28

Yes as many as you want, however you can only extend one class

Question 30

module

Answer 30

mathematical like equations or classes