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Specify, design, and implement a class that can be used in a program that simulates a combination lock. The lock has a circular knob with the numbers 0 through 39 marked on the edge, and it has a three-number combination, which we will call x,y,z.In order to open the lock, you must turn the knob clockwise at least one entire revolution, stopping with x at the top; then you turn the knob counterclockwise, stopping the "second" time that y appears at the top; finally, you turn the knob clockwise again, stopping the next time that z appears at the top. At this point, you may open the lock.Your "Lock" class should have a constructor that initializes the 3-number combination (use 0,0,0 for default arguments in defaut constructor)Also, provide the following methods:a) To alter the lock's combination to a new 3-number combinationb) To turn the knob in a given direction until a specified number appears at the top. (You also must show all of the numbers in the output as the lock is being turned - could use a for loop)c) To close the lockd) To attempt to open the locke) To inquire about the status of the lock (open or closed)f) To tell what number is currently at the top.Write a demo program that uses all of the above methods.
Write a class that has three overloaded static methods for calculating the areas of the following geometric shapes
Write down program Average.java to print strings which it is given at command line, one per line. If nothing is given at command line, then print "No arguments".
Write a Java program to ask the user to enter favorite color, a favorite food, favorite animal, and first name of a friend or relative.
a travel manager and have a job of buying a travel package for a customer. You must create three classes for this programming challenge: Customer, Ticket, and TravelManagerDemo.
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..
Write an application that extends JFrame and that displays a phrase in every font size from 6 through 20.
Write a method called rectSum that will get the sum of a rectangle of elements within a 2D array of ints
CGI mailer script form-mail.pl to your server's cgi-bin directory, and change the permissions on the script to make it executable - BMIS 310
This is the code for my trip planner,you need to figure out how to create a calculator function to enable users to calculate their own costs if they choose
Program Specifications: In the new implementation, the two classes, Student and Grades, are defined with the following operations/methods.
instance methods: setWidth(double w), setHeight(double h), double getWidth(), double getHeight() and double getArea() * A triangle's area is calculated by width*height*0.5 * all variables are private and methods public.
Research illustrates that prices of related goods are given by Py = $5,900 and ; Pz = $90, while average income of individuals consuming this product is M = $55,000. Is X inferior or normal good?
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