Processing Data

Question 1

simple codes used in conjunction with a backslash to format program output

Answer 1

escape sequence

Question 2

symbols used for comparing data values in order to create information out of raw data: >, <, >=, <=, ==, and !=

Answer 2

comparison operators

Question 3

ternary operator; efficient tool used to perform if-then-else logical decisions

Answer 3

conditional operator

Question 4

You are creating a conditional statement in a Java program. Which symbol would you use to construct the evaluation part of the statement?

Answer 4

colon (:)

Question 5

You are creating a program to print the text “Hello World!” on paper. Why do you need to include an escape sequence?

Answer 5

Double quotes are used to assign string values.

Question 6

What enables programmers to create a complex if-then-else decision statement using one concise line of code.

Answer 6

Java’s conditional

Question 7

It is important to remember that the result of any calculation performed is useless to a program unless the results of your conditional operator are assigned to a

Answer 7

variable

Question 8

How is using \” and using \b similar in a Java program?

Answer 8

Both are escape sequences.

Question 9

Which of the following is not a valid escape sequence?

Answer 9

==

Question 10

Which escape sequence produces a bell that make a noise if sent to an output device such as speakers?

Answer 10

\u0007

Question 11

the prescribed order, included in the instruction set, in which the ALU processes mathematical operations

Answer 11

Order of Operations

Question 12

the equal sign; used to place data values into variables

Answer 12

assignment operator

Question 13

acronym depicting the mathematical Order of Operations in Java programming: parentheses, exponentiation, multiplication, division, modulus, addition, and subtraction

Answer 13

PEMDMAS

Question 14

a group of operators that perform a calculation and an assignment at the same time

Answer 14

compound assignment operators

Question 15

Which primitive data type is described by the range -32,768 to 32,767?

Answer 15

short

Question 16

Which of the following operators is classified as a comparison operator?

Answer 16

<=

Question 17

What statement denotes the difference in bytes occupied by an int and a float value in Java?

Answer 17

Int takes 4 bytes; float takes 4 bytes.

Question 18

data type holds one letter, one number, or one symbol and occupies 1 byte

Answer 18

char

Question 19

the equal sign (=); used in Java code to place data values into variables

Answer 19

assignment operator

Question 20

approach to naming program elements in which words are strung together, and each new word starts with capital letter: a CamelCaseName

Answer 20

camel casing

Question 21

the kind of data that a variable can hold; data types are primitive or reference

Answer 21

data type

Question 22

to write code that introduces a variable into the program

Answer 22

declare

Question 23

simple, uncomplicated data types: boolean, byte, char, double, float, int, long, and short

Answer 23

primitive data type

Question 24

a programmer-assigned, descriptive term used to identify a Java programming variable

Answer 24

variable name

Question 25

memory space reserved at a specific address that programmers use to store data; Java variables have descriptive names

Answer 25

variable

Question 26

assigning a data value to a variable in Java

Answer 26

initializing

Question 27

complex data types created from primitive data types

Answer 27

reference data type

Question 28

What is the standard camel casing practice in naming variables in Java programming?

Answer 28

Start with a lowercase letter, and use uppercase letters for the first letter in a new word.

Question 29

When you write code that introduces a variable into the program, you

Answer 29

declare

Question 30

You are writing a program using the Java language. Which of the following is a requirement of Java syntax?

Answer 30

Each statement needs to end in a semicolon.

Question 31

Which of the following is not a simple data type in the Java language?

Answer 31

plus

Question 32

A library book sits on the shelf in the non-reserved section for everyone to check out and use. Which Java term best describes this?

Answer 32

global variable

Question 33

Assigning a data value to a variable in a program is referred to

Answer 33

initializing

Question 34

What is the relationship between a data type and a variable?

Answer 34

A variable is a placeholder, and a data type is the kind of data for a particular variable.