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repeat the investigations of the previous exercise but vary the proportions of the two smaller fields for instance try
challenge exercise define a completely new type of animal for the simulation as a subclass of animal you will need to
introduce the actor class into your simulation rewrite the simulate one step method in simulator to use actor instead
1 which methods do array list and linked list have that are not defined in the list interface why do you think that
challenge exercise investigate the comparable interface this is a parameterized interface define a simple class that
review the source code of the simulator class find all occurrences of the view classes and interfaces and trace all
challenge exercise add a non-animal actor to the simulation for instance you could introduce a hunter class with the
open and run the foxes-and-rabbits-graph project pay attention to the graph view output explain in writing the meaning
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