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This module contains review questions and answers keyed to the module titled Java3000: The Guzdial-Ericson Multimedia Class Library.

Revised: Sat Apr 02 10:40:05 CDT 2016

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Table of contents

Preface

This module contains review questions and answers keyed to the module titled Java3000: The Guzdial-Ericson Multimedia Class Library .

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? The multimedia library used in this course originated at MIT.

Answer 1

Question 2

True or false? Among other things, the Guzdial-Ericson multimedia class library makes it practical to write object-oriented programs for themanipulation of images in an interesting and educational way.

Answer 2

Question 3

True or false? The textbook for the course is available at no cost.

Answer 3

Question 4

True or false? Once you have downloaded the zip file containing the library, you will need to extract the folder named MediaComp from the zip file and store it somewhere on your computer's disk.

Answer 4

Question 5

True or false? The bookClasses folder contains javadoc documentation for the library in a folder named doc . You can view the documentation by going to the doc folder and opening the file named index.html in your browser.

Answer 5

Question 6

True or false? You will need to put the path to the bookClasses folder on your path in order to incorporate classes from the library into your programs.

Answer 6

Question 7

True or false? Commands similar to those shown in Listing 1 can be used to put the bookClasses library on the classpath :

Listing 1 . Question 7.
javac -cp .;M:\bookClasses *.java java -cp .;M:\bookClasses Prob01

Answer 7

Question 8

True or false? Commands similar to those shown in Listing 2 can be used to:

  • delete the class files from the current folder,
  • compile the source-code files in the current folder, and
  • execute the compiled version of a program named Prob01 in the current folder
Listing 2 . Question 8.
del *.class javac -cp .;M:\bookClasses *.javajava -cp .;M:\bookClasses Prob01

Answer 8

Question 9

True or false? You can put commands in a batch file and run the batch file to avoid having to type the commands each time you need to perform a specificoperation from the command line. In that case, you should add a pause command as the last command in the sequence.

Answer 9

Question 10

True or false? The program shown in Listing 3 causes the words Text Hello World to be displayed on the standard output device when the program is compiled and executed.

Listing 3 . Question 10.
class TextHelloWorld{ public static void main(String[]args){ System.out.println("Text Hello World");}//end main }//end class

Answer 10

Question 11

True or false? The code shown in Listing 4 can be compiled and run to produce the graphic output shown in Figure 1 .

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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