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open the imageviewer0-1 project this will become the basis of your own image viewer create an instance of class image
the collection library has a class named tree set which is an example of a sorted set elements in this set are kept in
assume that you want to model people in a university to implement a course management system there are different people
1 challenge exercise rewrite the foxes-and-rabbits simulation in the event based style2 use the api documentation for
1 find out some more about how event-driven simulations differ from timebased simulations2 can an abstract class have
implement an edge detection filter do this by analyzing the nine pixels in a three-by-three square around each pixel
1 add an invert filter that inverts each color inverting a color means replacing each color value x with 255 - x2
add a smooth filter that smoothes the image a smooth filter replaces every pixel value with the average of its
open the imageviewer2-0 project study the code for the new method to create and apply filters in class image viewer pay
1 add a mirror filter that flips the image horizontally the pixel at the top left corner will move to the top right and
add a gray scale filter to your project the filter turns the image into a black-and-white image in shades of gray you
challenge exercise you might have observed that the apply methods of all of the filter subclasses have a very similar
the show input dialog methods of j option pane allow a user to be prompted for input via a dialog when required on the
1 find the documentation for show message dialog how many methods with this name are there what are the differences
implement the threshold filter to get the brightness of a pixel you can get its red green and blue values and add them
explain in detail how the darker method in ofimage works hint it contains another method call to a method also called
in bluej invoke the use library class function from the tools menu look at the dialog you see on screen which
1 implement and test the code shown above in your version of the project2 what does the method call frame repaint do
1 what is a tabbed pane find a description and summarize give examples of what a tabbed pane might be used for2 what is
the application always resizes its frame in order to ensure that the full image is always visible having a large frame
1 change your application so that it can open multiple images at the same time but only one image is displayed at any
modify the slider so that the start and end and possibly other tick marks are labeled with numbers the start should be
1 is security exception from the java lang package a checked or an unchecked exception what about no such method
1 does a constructor have any means of indicating to a client that it cannot correctly set up the new objects state
are there any other methods in the address book class that are vulnerable to similar errors if so try to correct them