Prelim Extra

Question 1

A (n) loop is a special loop that is used when a definite number of iterations required

Answer 1

for

Question 2

Statements in which an if structure is contained inside another if structure are called ______ if statements

Answer 2

nested

Question 3

in switch structure break is followed by one of the possible values for the expression and a colon
(True or False)

Answer 3

F

Question 4

_______ error occurs when the syntax of the program is correct and the program compiles but produces incorrect results when you execute it

Answer 4

logic

Question 5

You use an import statement when you want to access a built-in-Java class that is contained in a group of classes called _______

Answer 5

package

Question 6

*, /, % always take place after + or - in an expression

True or False

Answer 6

F

Question 7

You can create a confirm dialog with 5 arguments

True or False

Answer 7

T

Question 8

Describes the feature languages that allow the same word to be interpreted correctly in different situations based on the context

Answer 8

Polymorphism

Question 9

It is important that the loop controlled ______ be altered within the body of the loop

Answer 9

Variable

Question 10

The type to which all operands in an expression are converted so that they are compatible with each other

Answer 10

unifying type

Question 11

Many seasoned programmers start counter values at 1 because they are used to doing so when working with arrays
(True or False)

Answer 11

F

Question 12

When you place a block within if statement, it is crucial to place the _____ correctly

Answer 12

curly braces

Question 13

When you block statements, you must remember that any ____ you declare within a block is local to that block

Answer 13

variable

Question 14

one execution of any loop is called ______

Answer 14

iteration

Question 15

is an error not detected until the program asks the computer to do something illegal or wrong while executing

Answer 15

run-time error

Question 16

You can initialize more than one variable in a for loop by placing a(n) ______ between the separate statements

Answer 16

comma

Question 17

______ structure is one that involves choosing between alternative courses of action based on some value within a program

Answer 17

decision

Question 18

Failing to include a complete _____ on each side of an && operator in an if statement is a common error in Java programming

Answer 18

Boolean expression

Question 19

_______ requires 3 expressions separated with a (?) and (:)

Answer 19

Conditional operator

Question 20

is a loop that performs no actions other than looping

Answer 20

do-nothing loop

Question 21

Is the process the compiler uses to divide your source code into meaningful portions; the message means that the compiler was in the process of analyzing the code when the end of the file was encountered prematurely

Answer 21

parsing

Question 22

when a variable ceases to exist at the end of a method, programmers say the variable ______

Answer 22

goes out of scope

Question 23

Instance methods are static methods

True or False

Answer 23

F

Question 24

Method names that begin with _____ and set are very typical

read
call
get
next

Answer 24

get

Question 25

Methods that retrieve values are called ______ methods

Answer 25

accessor

Question 26

Parameters are the data items _____ by a method

Answer 26

required

Question 27

You can place a class’s methods first within the class. followed by fields
(True or False)

Answer 27

T

Question 28

A _______ constructor is one that requires no arguments

Answer 28

default

Question 29

When you write _____ for a class, you no longer have access to the automatically created version

Answer 29

constructor

Question 30

Public classes are accessible by all objects which means that public classes can be _____ or used as a basis for any other class

Answer 30

extended

Question 31

For ease in locating class methods, many programmers store them in ______ order

Answer 31

alphabetical

Question 32

A unique identifier is mostly used as a(n) ____ key in a database

Answer 32

primary

Question 33

Data items you use in a call to a method are called _____

Answer 33

arguments

Question 34

You can’t write a default constructor in Java; it must be provided automatically
(True or False)

Answer 34

F

Question 35

is a number appended to a field, typically an ID number or account number

Answer 35

check-digit

Question 36

is a method that creates and initializes class objects

Answer 36

constructor