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Problem
1. Fill in code for the PersonPairDirectory class of Code Fragment 2.14, assuming person pairs are stored in an array with capacity 1,000. The directory should keep track of how many person pairs are actually in it.
2. Write a Java program that can take a positive integer greater than 2 as input and write out the number of times one must repeatedly divide this number by 2 before getting a value less than 2.
questions1. design and implement an applet called circles that draws 50 circles of random diameter in random locations.
This program should begin by asking the user for the name of a text file containing the data. Then read the data which will be a line containing the dimensions of a 2 dimensional array followed by a 2 dimensional array of ints. Then perform variou..
Create a StackTest.java file to demonstrate all of the methods of your stack. Instantiate two stacks; one for String and one for Integer. Push words/integers onto your stack. After you have pushed a series of words/integers on your stack use..
Draw a UML diagram for the classes. Implement the classes, and write a test program that creates a salaried employee and two hourly employees.
Create a JSP project to collect the details of Customers - Create getters and setters for all the variables in the respective class files.
After being given a collection of scores (type int) for the last exam in your computer course, you are to computer the average of the scores and assign grades (O, S, U i.e. Outstanding, Satisfactory, Unsatisfactory)) to each student according to the ..
Write an application that uses String method region - Matches to compare two strings input by the user. The application should input the number of characters to be compared and the starting index of the comparison.
So how would you dimension this array if you don't know how many elements you will need? Sure, you could dimension the array to be very large arrStudents[1000], but that would be a big waste, especially if you ended up only needing 5 elements, so ..
Your local police department wants to design new software to keep track of people, property, and criminal activity. List at least three classes you think should be in the design. For each class, identify some data members and methods.
Create a keyboard driven video game, with you the player in the center of the screen. Shapes will enter the screen and you will need to shoot them. If any of the shapes collide with your ship your game will end.
write a java gui application called index.java that inputs several lines of text and a search character and uses string
createDictLetterFrequencies that reads the file and also takes a parameter n. This method should return a dictionary of dictionaries. The outer dictionary associates the previous n letters of a word with an inner dictionary, which indicates the frequ..
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