programming
Which statement is valid as a for loop condition?
(int x=0; x < =5; x++)
Which of the following symbols is used to signify a closing tag?
/
Which range of values would result in 10 elements stored in an array?
0-9
Match the Confirm Order Button process to the order in which it takes place.
1. A control is created for the Confirm Order Button and code is written. 2. The event handler changes the property of the lblOrderConfirm message to Visible=True when the click event occurs. 3. The message "Tickets are printing. Enjoy the show!" is displayed.
How many times would the statement in the following for loop run? for (int x= 4; x <=10; x++)
7
Synthesis
A unified understanding of the project that combines the needs of client and users, the limits of available resources, and the data provided by researchers is provided.
Which statement is not true about arrays in Java?
An array of characters is a string.
bug
An error in a program.
Match the descriptions on the left with the terms on the right.
Assigning values to an array = populating Wetting up a memory address = declaring Copying a Java method = instantiating
How is the break statement similar to a continue statement?
Both involve transfer of program control.
What is the purpose of using a pair of square brackets when defining a multi-dimensional array?
Brackets define the size of the array.
creativity
Code that embodies the hopes and goals of client and user is written, within the clear framework and documentation of the program structure.
a0 brackets are essential when coding loops.
Curly
What should you do when you are programming?
Document the program.
Which key is used to halt the execution of an infinite loop in Java?
ESC
It's a method of referencing an address as a value
How does passing by reference work in Java?
HTML stands for which of the following terms?
HyperText Markup Language
abstract
Java keyword creating a class whose member objects cannot be implemented, but can be instantiated into copies
Match the phrases on the left and the Java keyword(s) on the right.
Making a decision. if-then Accessing anywhere. public Repeating action. for
What is the purpose of declaring modifiers when writing a Java class?
Modifiers define how the class can be accessed.
a0 dimensional arrays consists of many rows and one column.
Single
Why is it important to use square brackets ( [ ] ) when creating an array in Java?
Square brackets are used to denote the elements of the array.
Which of the following would be at the beginning and end of the code for the Confirm Order button?
Sub, End Sub
An infinite while loop is produced when the condition being tested is always true.
T
Classes are the fundamentals of object-oriented programming languages.
T
If a program includes only a few individual variables, then passing by value works fine.
T
Java is an object-oriented programming language.
T
In a while loop, what would happen if the condition tested is false?
The computer skips to execute the next statement after the loop.
When writing a loop in Java, why is it important to use the curly brackets { } after the opening statement?
The curly brackets are used to enclose statements to be repeated.
If you write the statement below in a Java program, what action would the computer take? Statement: myGrades[3][5] = x * 10;
The value of x * 10 is stored in the 4th row and 6th column of the array.
Which of the following conditions must be met for a language to be a true programming language?
Turing complete
package
a group of related classes that can be imported into a Java program
Class.object.method is an example of using the a0 to access the elements of a class.
a0 - dot operator
A(n) a0 is a group of saved related classes that can be imported into a Java program.
a0 - package
HTML coding for an image should include at minimum the src element and one other element. What is the second element that must be included?
alt text
In terms of equitable access to the Internet, sight-impaired individuals can greatly benefit from the use of a0.
alt text
Suppose a client runs a fitness program and wants to store information about customers: height, weight, measurements. What type of programming would work best?
array
a structure that holds multiple values of the same data type
array
Microsoft Visual Basic is derived from a0, an early programming language developed in 1964.
basic
high-travel professional in need of reliable web connectivity
built-in 4G web subscription in a durable high-powered notebook/tablet convertible
java initiated constructor
class constructor automatically created by Java that resets all its object values to default (null)
user defined constructor
class constructor that allows object values to be set to non-default (null) values
poor understanding of contract specifications
communicate in greater detail with the clients
What kind of operator is used to write a condition statement in a Java loop?
comparison
Java requires that your program be successfully a0 before it can be run/executed.
compiled
In Visual Basic, a0 are elements that initiate events.
controls
How would you maximize the use of a class?
create subclasses from a superclass
What does the < a > tag do?
creates a link to somewhere else on the same page, or another page
Iteration
do something more than one time, as in a loop
element
each indexed, subscripted, instance of an array variable
basic
early user-friendly programming language and the foundation for Visual Basic; abbreviation for Beginner's All-Purpose Symbolic Instruction Code
a value that is indexed and subscripted
element
Which pair of terms is related?
element, value
Boolean default values in a Java-initiated constructor are set to a0.
false
the language that enables information to be displayed on web browsers; abbreviated HTML
html
After the beta version has been tested, a product will go through final a0, followed by general release.
modification
Which phrase is similar to a hidden Java class?
private class
What prevents access except for elements contained within a class?
private keyword
infinite loops in the software
review the program logic to streamline and improve the code structure
all databases are constructed using at least one matrix of these
rows and columns
When declaring the data type for a multidimensional array of strings, which statement would be most appropriate?
string[ ][ ] myArray;
array
structure that holds multiple values of the same data type
When you tap an icon on your smartphone, this action is an event, or a user-initiated action that will cause a computer program to execute a a0, or a specified set of actions.
subroutine
decrement
to decrease by 1; performed by postfix (x--) and prefix (--x) operators
++x and x++ operators
unary operator
Match the symbol on the left with its opposite on the right.
!= = ++x x-- / integer
Match the operation on the left with the symbol on the right.
% modulus ^ exponentiation * multiplication
How many times would the for loop below execute if variable times = 9 % 2? for (int x=times; x <=times; x++) ?
1
Match the element of basic architecture in event-driven programming to the order in which it is created.
1.dragging GUI elements onto a workspace 2.dropping in some code 3. testing the functionality of a prototype
The while loop listed below would print the phrase, "Hello World, it's {number} degrees" ______ times. int x = 90; while (x < 95) { system.out.println ("Hello World, it's " +x " degrees"); x++; }
5
Complete the statement below using the correct amount. The number of values stored in the multi-dimensional array defined below is a0. someNumbers = new int [5][10];
50
Which of the following represents the proper way to code a link using HTML?
< a href="http://allrecipes.com/recipes/bbq--grilling/main.aspx" > Click here for < b > delicious< /b > BBQ recipes!< /a >
Which of the following represents the correct way to code text 'Hello' as bold using HTML?
< b > Hello< /b >
Which of the following tags is used to indent a section of text?
< blockquote >
Which of the following tags will bold text?
<b>
Which of the following is a script that enables servers to assign content generation to executable files?
CGI
Which of the following summarizes an advantage of WYSIWYG web for page editors?
Creating a web page is easier and faster with WYSIWYG than with HTML.
Choose the application where you will you encounter tables of data.
Excel
Which of the following are common browsers?
Explorer, Firefox, and Chrome
An array is a programming structure designed to hold just one variable.
F
Desk checking consists of working through one's storage areas, tidying up whatever is out of place.
F
Event-driven programs consist of only one event detector or event handler, the coded action that occurs in response to an event.
F
When you save an HTML file, you must add the extension .html to the name.
F
Abbreviated a0 is the language that enables information to be displayed on web browsers.
HTML
alt
HTML attribute that identifies alternative text used to describe an image for sight-impaired viewers or if it does not load
src
HTML attribute that identifies the location of an image file
Match the term on the left with the noun on the right.
IDE = a software package PEMDAS = a sequence IPO = a chart
Explain why, in order to avoid infinite loops, programmers must update the variable in the loop.
If its not updated it will keep going because it doesnt have a reason to stop(?)
Briefly explain a difference between an information interview and a job interview.
Information interview - you gather information & ask questions about the field you may be interested in Job interview - the employer asks you questions to see if they'll hire you
What does the statement below accomplish? classGradesArray = new int[25];
It defines an array to store 25 integers.
Explain why < !DOCTYPE html > is a required HTML tag, but not an active one.
It tells the browser that it's reading an html file
Why is it necessary to declare an array in Java? Choose the best answer.
It tells the computer the beginning address in memory.
When would the associated code block be executed for the statement: do {code block} while (condition)?
Once at the beginning of the loop, and then if the condition is true
Why are packages important in programming in Java? Choose the best answer.
Packages are prewritten code that can be used in programs.
After opening the Visual Basic IDE and selecting to create a Window form for the Movie Ticket Kiosk, the window opens with a small form in the workspace. To continue, drag the sizing handlers to resize the form, and then name it Movie Ticket Kiosk. Which of the following describes the next step?
Select controls from the toolbox and then add them to the form.
In the employee salary class example, the EmployeeSalary class was used to create an object called internEmployeeSalary.
T
The syntax for commenting in Visual Basic is to place an apostrophe at the beginning of each comment line.
T
When declaring an array, you begin by stating the data type of the values it will hold.
T
What is the difference between using "x++" and "x==" in a Java program?
The first increments the value of x; the second compares x to a value.
Which statement is true about constructors?
User-defined constructors must have the same name as the classes they are copying.
Which of the following describes why Visual Basic is easier to use than Basic?
Visual Basic uses the drag-and-drop program elements to drop onto a workspace.
organization that develops and maintains standards for the web and HTML
World wide web consortium
How would you classify passing by reference?
a method of referencing the address as a value
What is required at the end of every Java statement?
a semicolon
A loop statement that would postfix decrement the variable y by 1 would be a0.
a0 - y --;
Match the description on the left with its term on the right.
abstract - a keyword that is merely the cookie cutter to start the design of another structure classes - referred to as hidden when they are declared private—meaning that only the methods within that class can access its variables concrete - an instantiated copy of a class that gives the structure, variables, and methods that can be modified
WYSIWYG
acronym for What You See Is What You Get; describes software that enables developers to work in a visual environment that displays what a user will see, while generating code in the background
Suppose you are writing Java code and find it necessary to perform a repetitive task and you want to encourage the user. What would you use?
continue
Which keyword is used within a loop to transfer program control back to the beginning of the loop?
continue
Which symbols are most appropriate to use to enclose a code block for a do-while loop?
curly brackets {}
developed to efficiently store and manage large amounts of data
databases
a diamond shape that indicates branching of the program flow based on a condition
decision
If you need to construct a class in Java, which sections do you need to write?
declaration, variables, and methods
method of creating GUI-based programs in a visual environment by placing components on a workspace
drag-and-drop programming
cultural fluency
enables the designer to make appropriate choices in style and tone for the intended end user
A software designer delivers software that displays simplified Chinese characters to a client in Taiwan, a nation that uses only traditional characters. This makes the interactive material distracting and difficult for Taiwanese users to read.Rather than a failure in program logic, this would be considered a flaw in the execution of the user a0.
interface
inappropriate cultural cues
interview stakeholders to determine tastes and responses to user interface
An iterative or repetitive action performed on code between the loop's curly braces
loop
Which two keywords are related?
loop, condition
What does the src element in an image tag code indicate?
name and location of the image file
What keyword is used to create a class or array?
new
Which keyword copies a Java object so that the computer can assign memory addresses to its elements?
new
a0 is a Java keyword required to instantiate a Java object.
new
What is the difference between a prefix and postfix in Java?
prefix - precedes, increments or decrements postfix - follows variable & expression, increments or decrements
a rectangle depicting one distinct action in a program
process
What are the first two steps of the SDLC?
requirements, then design
plain fonts
simplify reading and increase the transparency of the interface
The syntax and concept of multidimensional arrays builds upon the basic structure of _____.
single arrays
subroutine
specified set of actions, or method, in a Visual Basic program
severe arthritis, unable to type or use a mouse on a reliable basis
speech recognition controls plus oversize ergonomic joystick manual control.
Which term describes how content in an array is accessed?
subscript
URL
the Internet address of a website; short for Uniform Resource Locator
user interface
the combined hardware and software with which a user directly interacts to accomplish tasks
Which statement would describe an assignment of a value to an array?
trainArray[4]=5;
If you press the enter key in your source code, the browser does not interpret it. Which of the following is the best way to get the browser to understand a break?
use a < p > tag
Since the < title > tag is located in the < head > section of an HTML document and does not show up in the actual webpage, what could you do to have the title show up prominently in your webpage?
use an < h > tag
What would you recommend using if you wanted to set member variables to certain values?
user-defined constructor
event
user-initiated action that causes a program to execute a specified subroutine
information hiding
using the private access identifier so that information is only available to the elements of the class in which it resides
What does WYSIWYG stand for?
what you see is what you get
inexperienced with technology
intuitive graphic interface, plenty of help cues
Which of the following tags will produce the smallest heading?
<h6>
How are postfix and prefix similar?
Both are used to increment or decrement variables.
dot operator
the period (.) placed between the class name.object name.method name; or placed between the object.memberVariableName
Which of the following is the correct nesting order of basic HTML syntax?
< html > < head > < title > < /title > < /head > < body > < /body > < /html >
Which of the following is the best way to bold, italicize, and underline the name Sally Jones?
< i > < b > < u > Sally Jones< /u > < /b > < /i >
Match the HTML code with what it indicates to the web browser.
< img src="Hamburger_medium.png" alt="Cheeseburger illustration with lettuce, pickle, and tomato" > image file name, location, and alt text < img src="Hamburger_medium.png" > image file name and location < p >< a href="http://vector.me/" > < img src="Hamburger_medium.png" alt="Cheeseburger illustration with lettuce, pickle and tomato" >< /a >< /p > image link, file name, location, and alt text
Which of the following HTML tags indicates the main content of a web page?
<body>
href
HTML attribute that identifies the targeted location of a link
Which of the following tags is used to separate sections of text in a document with a horizontal line?
< hr >
Which is the correct way to code text 'Thank you' as italicized using HTML?
< i > Thank you< /i >
Which of the following represents the proper way of coding an image in HTML?
< img src="Hello.png" alt="Hello sign on the lawn" >
Which of the following HTML codes is correct for an ordered list?
< p > My Favorite Foods:< /p > < ol > < li > Pizza< /li > < li > Pasta< /li > < li > Steak< /li > < /ol >
Which section of an HTML document includes the primary information about the file, including styles and scripts?
<head>
tag used to insert a paragraph break; used in pairs
<p>
tag used for the name of a web page to be displayed on a browser bar, tab, and bookmark and in a search engine result
<title>
tag used for an unordered (bulleted) list
<ul>
Match the key or symbol on the left and its use on the right.
= assign a value ESC halt a loop { assign a value
How are postfix and prefix operators similar?
Both are used to increment or decrement variables.
Explain why it is important to learn the basics of HTML even though web-creation software is available that generates the HTML code for you.
It's important because it gives you a better understanding of what you're working with
Which option identifies what helped make Blake's experience possible in the following scenario?Blake spends a lot of time looking up information on the Internet. He plays games, takes surveys, and looks at sites dedicated to interactive activities.
Java
What automatically resets all its object values to default (null)?
Java-initiated constructor
Which option identifies what helps Trevor enjoy his hobby in the following scenario?Trevor writes a weekly blog on professional baseball players. This is a hobby he enjoys that does not cost him any money.
PHP
What is the difference between multidimensional and single dimension arrays?
Single dimension arrays have one column, and multidimensional arrays have multiple columns.
Of what model is the development of the many iterations of the Windows operating system an example?
Spiral Model
How do the statements below differ in purpose? Statement A: int[ ] trainArray; Statement B: trainArray = new int [10];
Statement A declares the array in memory, and Statement B defines the size of the array.
The default condition for the "Tickets being printed," message at the bottom of the form is Visible=false.This message cannot be seen while a customer is specifying an order. Which of the following describes what happens to the lblOrderConfirm message once the customer clicks the Confirm Order Button?
The new message is Visible=True.
analysis
Various aspects of the project are broken into discrete parts that can be resolved separately, but that will work as a united whole.
Which option identifies the cause of the message displayed in the following scenario? At a movie ticket kiosk, after the patron presses the Confirm Order button, the message displays that the tickets are being printed.
a Click event triggers the subroutine to display the message
prototype
a model of a product, process, or program created to check and refine its functionality
What happens when a < p > tag is used in HTML?
a new paragraph is created
rapid application development
a programming approach that minimizes pre-planning in favor of creating quick prototypes to test and refine
reference
a storage that contains the memory addresses of an array's values
constructor
a template of an existing class used to create copies of the class
class
a template or cookie-cutter that can be used to instantiate (copy) its standard features to a new object
subscript
a term for the number indicating the position of an element in an array; also called the index
Complete the statement below using the correct term. The difference between do-while and while looping is that the condition in a do-while loop is tested a0 the statements are executed.
after
multidimensional array
an array arranged like a matrix of rows and columns that holds more than one value and/or data type; related data stored in one memory structure that is referenced using two subscripts
Which of the following best describes an index of an array? Choose the best answer.
an integer
loop
an iterative or repetitive action performed on code between the loop's curly braces; common types are for-loops, while loops, and do-while loops
Match the HTML code with what it indicates to the web browser.
an unordered list < ul > an ordered list < ol > an item in a list < li >
What do many IT professions require? Select all that apply as noted in this lesson.
analytical skill design skill
_____ can download a free copy of Visual Studio Community 2017.
anyone
The syntax for commenting in Visual Basic is to place a(n) a0 at the beginning of each comment line.
apostrophe
Which of the following is small Java code script that adds functionality to web pages in a browser?
applet
user-friendly
description of products with high usability and transparency, whose function is either pleasant or nearly invisible to the user
A flowchart of a program's logic and flow is part of which stage of the SDLC?
design
Which statement best describes the logic in a while loop?
determining if there is rain before bringing an umbrella
Which loop will always run at least one loop?
do-while
well-structured program logic
ensures software fulfills its function in an efficient manner that recognizes and solves likely issues of use
The a0 key can be used to stop the computer from executing a code block in an infinite loop.
esc
What do the for loop, do-while loop, and while loop have in common?
evaluates a test condition uses numeric values in counter variable
model in which program actions are initiated and controlled by events such as a mouse click
event-driven programming
requirements research
first stage of the software development life cycle (SDLC)
an arrow that depicts the direction of control in a program
flow line
Which type of loop runs iterations as long as the statements are true only to move on when the statements are false?
for
Which of the following is the correct syntax to begin a for loop?
for (int x=1 ; x< =5; x++);
Java code creating a repetitive process that occurs as long as a condition is true; condition is evaluated at the top of the loop; used when number of loops is known.
for loop
What is the Java code to create a repetitive process when the number of loops is known?
for loop
What loop should be used when the number of loops is known?
for-loop
Which of the following would be used to tie together websites for airline ticket sales and hotel reservations?
glue language
In addition to considering usability for mainstream users, it is important to accommodate people who _____.
have impairments that limit their use of traditional computer tools
Which of the following filename extensions is used for a browser to interpret and display a webpage?
htm
coded text on an electronic device that accesses other information via user actions such as a mouse click or tap on a tablet
hypertext
In which stage of the SDLC do programmers write code?
implementation
object
in Java, the instantiation of a class, having both inherited and assigned properties
control
in Visual Basic, elements on a form that can initiate events
attributes
in Visual Basic, the properties of controls and other elements that determine their appearance and functionality
Choose the word that best describes the "++" operator.
increment
In Java code, what is used to increase by 1?
increment
A array is a variable name that holds multiple values of the same data type that are referenced through a(n) a0 number.
index
Complete the statement below using the correct term. An array a0 is similar to a subscript in that it is used to reference the contents of the array.
index
always one less than in a literal, visual representation of the array
index of an element
What would you recommend, given the scenario below? Situation: You are a programmer, and you need to create an array in Java using the most efficient method. Which of the following possibilities of declaring an array is best?
int trainArray[] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
graphical user interface
interaction with a computing device using images rather than text; abbreviated GUI and often pronounced gooey
A(n) a0 is another word for loop in Java.
iteration
public
keyword access modifier indicating that objects can be accessed from any class
private
keyword access modifier indicating that objects can only be accessed within their own class
import
keyword telling Java to bring code packages into the program for use
infinite loop
loop structure in a program for which the test condition is never false, so the loop runs endlessly; can be stopped by pressing ESC key
instantiate
make a copy of a class
drag-and-drop programming
method of creating GUI-based programs in a visual environment by placing components on a workspace
event handler
method or subroutine in a program that executes an action in response to an event
event-driven programming
model in which program actions are initiated and controlled by events such as a mouse click
Match the term on the left to symbol on the right.
modulus % not equal != comparison ==
used by programming code for databases
multidimensional arrays
Match the assignment on the left with the description on the right side.
myGrades[1][0] = 90; The value is assigned to row 1 and column 0 of the array. myGrades[1][1] = 100; The value is assigned to row 1 and column 1 of the array. myGrades [0][1] = 'A'; The value is assigned to row 0 and column 1 of the array.
Which statement will access the first element of an array?
myPayChecks[0]
keyword required to create a new object of the designated type and assign a memory address to it
new
What is the name of the value assigned to a declared array variable before it is defined?
null
hidden
objects assigned the private access operator so they are not available to members outside their own class
Declaring single arrays is done with a0 set(s) of straight brackets.
one
To create a a0, you simply write separate source files for each class, and save them in the .java format.
package
a collection of related classes that can be saved and imported for use in other programs
package
What tool would you recommend using to streamline programming in Java?
packages
The < b > tag and < p > tag are similar in that they both are used in a0, whereas the < img > tag and < hr > tag are not.
pairs
A designer is developing a user interface for a new simulation video game whose intended purchasers are dedicated gamers, and who would be glad to provide input. Because demanding users with preferences and deep knowledge of the required tasks will employ the interface, the designer is likely to use the a0 design model for implementing user-centered design.
participatory
Which phrase defines a method that sends a copy of the value of a variable between methods?
passing by value
example: x++ is the same as x=x+1
postfix
When analyzing prefix and postfix operators with the example X=X+1, what is the main difference?
postfix is x++ and prefix is ++x
example: ++x is the same as x=x+1
prefix
Which statement would be valid in declaring a public class called SomeClassName?
public class SomeClassName
Href and src elements must be within which type of enclosures?
quotations
programming approach that minimizes pre-planning in favor of creating quick prototypes to test and refine
rapid application development
Which term accurately denotes a memory address of an array value? Choose the best answer.
reference
Which term best describes the purpose of an index in an array? Choose the best answer.
reference
Information describing how each phase of the software will work is part of which stage of the SDLC?
requirements
Which stage of the SDLC is represented by the following statement? Program Procedures: Patrons enter beverage and dining selections from a touch screen menu at their table.
requirements
Methods of evaluating the needs of end users can occur throughout the development period, as in the case of participatory design, or a model such as contextual design can occur at the beginning, during the requirements a0 phase of the software development life cycle.
research
the basic elements of HTML that format information and media for display on a web page; uses codes enclosed in angle brackets: <>
tags
standardized placement of elements
takes advantage of preexisting customer expectations regarding layout
index
the sequential number of an element in an array variable; the computer begins the array sequence with zero (0)
Where will the words "Jessie's Jammies" appear when < title > Jessie's Jammies< /title > is used in an HTML document that is displayed in a browser?
the top of the browser window
In Java code, what means doing something more than one time?
to iterate
Complete the statement below using the correct term. Passing by a0 involves sending and receiving a copy of the value of a variable.
value
Which statement can be used to pass a memory address to a method?
variableName[x] = getArrayName (variableName, x);
Which option identifies the stage of the SDLC in which the problem was most likely discovered in the following scenario? The customer does not have a Social Security number, so he or she cannot use the online reservation system.
verification
Which stage of the SDLC is represented in the following scenario? An engineering firm hires a group of college students to beta test mapping software. The students discover that the software directs them down one-way streets the wrong way.
verification
Which of the following uses a Microsoft tool that enables drag-and-drop applications?
visual basic
When does an image need to include a file path for where the image is saved?
when the image is saved in a place other than the HTML file
When is a for loop used in a Java program?
when you already know how many times to perform an action
When comparing while loops and do-while loops, what is the main difference?
where the test condition is located in the loop
The a0 loop initializes the counter variable first, outside the loop.
while
As you are learning a client's programming needs, you realize the program will require an iteration of tasks, yet there are exceptions when the task will not be performed. What type of loop should you use for the exceptions?
while loop
W3C is the organization that develops and maintains standards for the Web and HTML. What does W3C stand for?
world wide web consortium
How is "x- -" interpreted in a Java statement such as a do-while?
x is decreased by 1
If you are creating a loop statement in Java, which data type should not be used?
a string literal
The keyword while in a while loop comes after the loop code block.
F
What does "++" do to a variable?
It increases the value of the variable by 1.
do-while loop
Java code creating a repetitive process that occurs as long as a condition is true; condition is evaluated at the bottom of the loop; used when number of loops is unknown
for loop
Java code creating a repetitive process that occurs as long as a condition is true; used when the number of loops is known
Match the instructions on the left with the terms on the right.
PEMDAS: follow a set of mathematical operations do-while: Execute first and then test a condition. instantiate: Copy a class for future use.
How are passing by value and passing by reference different?
The first uses a copy of the value, and the second uses a memory address.
What would happen during compile time if you declared a variable as int myCar and then later referred to the variable as myTruck?
You would receive an error message.
prefix
a shortcut to increment or decrement a variable; the result is calculated and stored, then the variable is used ; example: ++x is the same as x = x+1
postfix
a shortcut to increment or decrement a variable; the variable is used, then the result is calculated and stored; example: x++ is the same as x = x+1
Why would you choose: int trainArray[] = {10, 20, 30, 40, 50, 60, 70, 80, 90, 100 }; instead of int[] trainArray = new int[10]; when you declare an array of a certain data type and size?
because this approach requires much less code
Which line of Java code correctly declares an array of character variables?
char[ ] variableArray;
Java code creating a repetitive process that occurs as long as a condition is true; condition is evaluated at the bottom of the loop; used when number of loops is unknown.
do-while loop
When creating a loop, which would you use in order to have the condition evaluated at the bottom of the loop?
do-while loop
When comparing the use of loops, what loop would you use if only numeric values will be used?
for loop
Match the scenario on the left with the appropriate loop on the right.
for loop: repeat known number of times do-while loop: perform first then test while loop: test first then perform
Which describes the purpose of the continue statement in Java?
go back to the beginning
Which statement describes the index number of an array?
identifies each element
A(n) a0 loop occurs when a condition is always tested as true in a loop.
infinite
You need to create a do-while statement comparing whether a student's grade is lower than 65. Which variable type would be appropriate? Choose the best answer.
int
continue
statement used within a loop so that when a certain condition is met, control of the program is forced back to the beginning of the loop
new
the keyword required to instantiate a Java object so that the computer can assign memory addresses to its elements
unary operator
the prefix (++x) and postfix (x++) operators; unary because only one value is used
desk check
the process of running through code step by step and entering and recording values to check the logic; another form of debugging
increment
to increase by 1; performed by postfix (x++) and prefix (++x) operators
The a0 operator can be prefix or postfix and is used to change the value of a variable.
unary
null
unique value assigned to a declared array variable before it is defined; null in place of a memory location
Which word can be used to describe the nature of a for loop?
again
