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Write a java program to simulate an ecosystem containing two types of creatures, bears andfish. The ecosystem consists of a river, which is modeled as a relatively large array. Each cell of array should contain an Animal object, which can be a Bear object, a Fish object, ornull. In each time step, based on a random process, each animal either attempts to move into an adjacent array cell or stay where it is. If two animals of the same type are about to collide in the same cell.
Then they stay where they are, but they create a new instance of that type of animal, which is placed in a random empty (i.e., previously null) cell in the array. If a bear and a fish collide, however, then the fish dies (i.e., it disappears). Use actual object creation, via the new operator, to model the creation of new objects and provide a visualization of the array after each time step.
project will be to implement a shopping cart class with user interface (UI) that contains main() in Net Beans. The UI class will be used to perform user input/output and to invoke the appropriate methods of shopping cart class. When your program star..
design a Java application using arrays to manage personal financial records which include expenditures and incomes.
Write a program that inputs a string similar to: 3 + 4 * 2 / ( 1 - 5 ) ^ 2 ^ 3. Your program should apply the Shunting-yard algorithm to this string to ultimately produce a mathematical result.
Design a method in a Stack implementation that allows the user to insert a new member to the "bottom" of a stack.
Write code that creates an array named odds and stores all odd numbers between -6 and 38 into it using a loop. Make the array's size exactly large enough to store the numbers.
What are the advantages and disadvantages of an ArrayList? When should you use an ArrayList over a simple array
Describe the swing applet life cycle. Create a swing applet that displays the date and time in a JTextField with the JLabel "Today is" when the user clicks a JButton
Write a method in java named secondHalfLetters that accepts a string as its parameter and returns an integer representing how many of letters in the string come from the second half of the alphabet
Determine the output displayed when the button is clicked. Assume the five lines of the file Dates.txt contain the numbers 1492, 1776, 1812, 1929, and 1941 and the file is in the appropriate folder.
Write specifications for the method which advances any given date by one day. Comprise a statement of purpose, pre- and post-conditions, and description of parameters.
Design and implement a Java class to represent a 3-D geomtetric shape of your choice. The class should contain a constructor, appropriate data fields and methods to return the volume of the shape, and the surface area of the shape and any other me..
Write a java code that 1) uploads a file 2) sets a loop to find 10 random generated words from the file and then search those words by a. IndexSequential Method b. indexBinary Method. then, report how much time both methods took.
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