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This module contains review questions and answers keyed to the module titled Jb0110: Java OOP: Programming Fundamentals, Getting Started.

Revised: Sun Mar 27 18:44:45 CDT 2016

Table of contents

Preface

This module contains review questions and answers keyed to the module titled Jb0110: Java OOP: Programming Fundamentals, Getting Started .

The questions and the answers are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.

Questions

Question 1 .

True or false? You need a special IDE to write Java code.

Answer 1

Question 2

True or false? All of the software that you need to create, compile, and run Java programs is free.

Answer 2

Question 3

True or false? Installing the Java JDK can be a little difficult.

Answer 3

Question 4

True or false? Java is so easy that you don't need documentation to program using Java.

Answer 4

Question 5

True or false? The most fundamental way to compile and run Java applications is from the command line.

Answer 5

Question 6

Write a simple test program that can be used to confirm that the JDK is properly installed on your system.

Answer 6

Listings

This image was inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at the same time.

The image is also an example of the kinds of things that we do in my course titled ITSE 2321,Object-Oriented Programming.

Missing image

Here is another image that was inserted for the same purpose -- to insert space between the questions and the answers.

Missing image

Answers

Answer 6

If you can compile and run the program code shown in Listing 1 , the JDK is probably installed properly on your computer.

Listing 1 . A Java test program.
class hello { public static void main(String[]args){ System.out.println("Hello World");}//end main }//end class

Back to Question 6

Answer 5

True. Although a variety of IDEs are available that can be used to compile and run Java applications, the most fundamental way is to compile and run theprograms from the command line. A batch file in Windows, or the equivalent in other operating systems, can be of some help in reducing the amount of typingrequired to compile and run a Java application from the command line.

Back to Question 5

Answer 4

False. Java uses huge class libraries, which few if any of us can memorize. Therefore, it is very difficult to program in Java without access to thedocumentation for the JDK.

As of November 2012, several different types of Java documentation are available online at (External Link) .

Back to Question 4

Answer 3

True. Installing the Java JDK can be a little difficult depending on your experience and knowledge. As of November 2012, you will find installationinstructions at (External Link) .

Back to Question 3

Answer 2

True. You will need to download and install the free Java JDK from the Oracle/Sun website. As of November, 2012, you will find thatwebsite at (External Link)

Back to Question 2

Answer 1

False. You can write Java code using any plain text editor. You simply need to cause the output file to have an extension of .java.

Back to Question 1

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Jb0110r Review for Programming Fundamentals, Getting Started
  • File: Jb0110r.htm
  • Published: 11/20/12
Disclaimers:

Financial : Although the Connexions site makes it possible for you to download aPDF file for this module at no charge, and also makes it possible for you to purchase a pre-printed version of the PDF file, youshould be aware that some of the HTML elements in this module may not translate well into PDF.

I also want you to know that, I receive no financial compensation from the Connexions website even if you purchase the PDF version ofthe module.

In the past, unknown individuals have copied my modules from cnx.org, converted them to Kindle books, and placed them for sale onAmazon.com showing me as the author. I neither receive compensation for those sales nor do I know who does receive compensation. If youpurchase such a book, please be aware that it is a copy of a module that is freely available on cnx.org and that it was made andpublished without my prior knowledge.

Affiliation : I am a professor of Computer Information Technology at Austin Community College in Austin, TX.

-end-

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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