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Answer 9

Question 10

True or False? The three statements inside the loop in Listing 3 modify the color values of a single pixel.

Answer 10

Question 11

True or False? If the colors of all the pixels in an image are inverted, the process is completely reversible. All that is necessary to recover the originalimage is to invert all of the pixels again.

Answer 11

Figures

Listings

What is the meaning of the following two images?

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 thesame time.

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

Spacer image of a rabbit and a penguin.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Spacer image of a penguin in the snow in front of some houses.

Answers

Answer 11

True.

Back to Question 11

Answer 10

True.

Back to Question 10

Answer 9

True.

Back to Question 9

Answer 8

False. The getPixels method belonging to a Picture object returns references to all of the Pixel objects encapsulated in the picture in a one-dimensional array.

Back to Question 8

Answer 7

False. The Pixel class defines a large number of methods. Once you have a reference to a Pixel object, you can manipulate the underlying pixel encapsulated in that object in a variety of ways.

Back to Question 7

Answer 6

True.

Back to Question 6

Answer 5

True.

Back to Question 5

Answer 4

True.

Back to Question 4

Answer 3

False. The code in Listing 2 causes an image to be displayed in the format shown in Figure 2 .

Figure 2 - Answer 3.

Image of a penguin in the snow in front of some houses.

Back to Question 3

Answer 2

False. The code in Listing 1 instantiates a new object of the Picture class.

Back to Question 2

Answer 1

False. A color value is inverted by subtracting the value from 255 .

Back to Question 1

Miscellaneous

This section contains a variety of miscellaneous information.

Housekeeping material
  • Module name: Java3004r Review: Image Processing Algorithms, Image Inversion, and PictureExplorer Objects
  • File: Java3004r.htm
  • Published: 02/10/13
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-

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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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