consider an application to support buying and selling vintage musical instruments. Create a CRC card for one of the classes in this domain. Make sure to include all three parts.
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consider an application to support buying and selling vintage musical instruments. Create a CRC card
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- You will be writing a scheduling application allowing a convention center to schedule events. This program will contain two different classes: Date and Event. Both classes should be defined on their own .py modules. You may use the Date class we designed in class in lecture 18 (which will also be posted on Canvas). The Event class should have the following attributes: event_date (which should be a Date object) event_name start_hour: Uses a 24-hour clock, so should be a value between 0 and 23 endHour: Uses a 24-hour clock, so should be a value between 0 and 23 The Event class should have the following methods: __str__. Return a string representation of all important info about this Event: The name of the event, the start and end times (you can simply print their value i.e. from 14 to 16) and the Date. Properties and setters for the attributes. A constructor which takes a name, start and end hours, and a Date object. Note: For sake of simplicity, each event will only take one day…Solve this question using java language. you have to read the information from a file then print them in a file please read the instructour carefully, also look at the attach images to help you to solve it. This tips will help you What You Must Implement:You must define a class named MediaRental that implements the MediaRentalInt interface functionality(index A). You must define classes that support the functionality specified by the interface. The followingspecifications are associated with the project:1. Define a class named MediaRental. Feel free to add any instance variables you understand are needed or anyprivate methods. Do not add any public methods (beyond the ones specified in the MediaRentalInt interface).2. The media rental system keeps track of customers and media (movies ,music albums and games). A customerhas a name, address as string , a plan and two lists. One list represent the media the customer is interested inreceiving and the second one represents the media…This must be a Universal Windows Application. Define an interface Define an interface called IMeasuringDevice. Add it to your project in its own IMeasuringDevice.cs source file (Project > Add New Item > Interface). Add the following public method declarations to your new interface: MetricValue. This method will return a decimal that represents the metric value of the most recent measurement that was captured. ImperialValue. This method will return a decimal that represents the imperial value of the most recent measurement that was captured. StartCollecting. This method will start the device running. It will begin collecting measurements and record them. StopCollecting. This method will stop the device. It will cease collecting measurements. GetRawData. This method will retrieve a copy of all of the recent data that the measuring device has captured. The data will be returned as an array of integer values. Comment your new method declarations so developers using your interface…
- As the first step in writing an application for the local book store, we will design and implement a Book class that will define the data structure of the application. Each book has a name, author, type (paperback, hardback, magazine), integer ID and pageCount. Provide some data validation in the appropriate method to ensure that the ID and pageCount are not negative. Design and implement a Book class with separation, i.e., separate all functions and methods into both the prototype and an implementation below the main. Provide constructor methods for Book(void), Book(name, author), and one for all components Book(name, author, type, ID, pageCount) Provide accessor (get and set) methods for each property as well as a display method. Provide data validation for the ID and pageCount in the appropriate methods. Provide a method to calculate the cost for buying books (with a 7.75% sales tax) according to the following chart: Hardcover: $29.95 per book Paperback:…Please refer to General Assignment requirements document for the additional requirementsPlease note that numbers in the square brackets before each requirement represent the points that are awarded if the requirement is fully implemented.In this assignment you will create an address book. The user of the application will be able to add a contact with the following information about the contact:1. First name2. Last name3. Address4. Phone numberTo implement this, you need to do the following:The Contact classYou will implement the Contact class in Visual Studio. A short description of the class members is given below. This class must have only the following members:Properties:You must use auto-implemented properties.[1] FirstName – string that represents the first name of the contact[1] LastName - string that represents the last name of the contact[1] Address - string that represents the address of the contact[1] Phone – unsigned long integer that represent a phone number of the…TODO 2 Complete the TODO by finding the locations of the data samples for each iris flower type. Hint: Use the code for how we found all the setosa_locs as an example! Using iris_df, find the location of all the data sample locations for the versicolor class which has a label of 1. To do so, use NumPy's np.where() function. Using iris_df, find the location of all the data sample locations for the virginica class which has a label of 2. To do so, use NumPy's np.where() function. setosa_locs = np.where(iris_df['class'] == 0)[0] # TODO 2.1versicolor_locs = # TODO 2.2virginica_locs = todo_check([ (type(versicolor_locs) is np.ndarray, "'versicolor_locs' is not type np.ndarray. Make sure you indexed np.where() currently!"), (type(virginica_locs) is np.ndarray, "'virginica_locs' is not type np.ndarray. Make sure you indexed np.where() currently!"), (versicolor_locs[0] == 50, "'versicolor_locs' has an incorrect value"), (virginica_locs[0] == 100, "'virginica_locs' has an…
- A car company makes a car produce application. There are different types of models that the company builds as sedan and sport. Each model has some shared and distinguishing features. The object creation process should conduct by a central class. The second central class should not be created in the application. Choose necessary patterns, Draw the UML, and code just company class methods on paper.You are required to design a small Mobile manager which keep record of mobiles in the Store. For this create a Mobile class having appropriate attributes and methods. Now create another class Store which holds array list of Mobiles. Also provide methods which can write and read this array list to file. Now in main class provide following menu Add Mobile ( add book to file) Display all Mobiles(read from file and display) (exit the program).For this project, you will create a class for an elementary school that will allow a teacher to enter each student's seating assignment. Occasionally, the teacher may need to switch the seating assignment of a student. If there is a seat available, the student is moved. If all of the seats are already assigned, the teacher will have two students trade seats. Minimum Requirements: • Create a class called student that holds information about one student including the student's name. The class must have methods to set each instance variable and methods to get each instance variable. • Create a class called seatingChart and create a multidimensional array of student objects as an instance member. The array of student objects should be able to handle a class of size 20. You will not get credit for this assignment if you do not use a multidimensional array for the seating chart. • Include an addStudent function that has parameters for a student name, target seat row and column to add one…
- Recall the geometry example from class. Create new modules for triangles, spheres, and cylinders and populate them with functions for calculating perimeter and area in the 2-D case (triangles) and volume and surface area in the 3-D cases (spheres and cylinders). Now modify the geometry.py file to work with these as options for the user. SUBMIT: - A modified geometry.py file that works with the new modules you have created. - triangle.py, sphere.py, and cylinder.py files which contain the methods specified above. Attached: original geometry.py and an example for sphere.pyPart I Create an interface for a Store application. Provide at least 3 function. Part II Create a type of Store class. Implement the methods introduced in the interface. Note: Do not compress your files, submit only java files. Note: Do not forget to justify your answers with comments.Choose necessary patters, draw the UML and code just company class methods on paper. A car company makes a car produce application. There are diffrerent types of models that the company builds as sedan and sport. Each model has some shared and distinguishing features. The object creation process should conduct by a central class. The second central class should not be created in the application.
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