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OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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- You are provided a list of projects and a list of dependencies (a list of pairings of projects in which the second project is reliant on the first). Before a project can be constructed, all of its dependencies must be built. Find a construction order that will allow the projects to be completed. Return an error if there is no valid build order. EXAMPLEInput:projects: a, b, c, d, e, fdependencies: (a, d), (f, b), (b, d), (f, a), (d, c)Output: f, e, a, b, d, cWhat is the purpose and what is the effect of the Wait method of the Monitor class? What is the precondition of callingMonitor::Wait?You are responsible for adding the appropriate testing code to your main. a. The getValedictorian method returns the valedictorian of the class, that is the student with the highest grade point average. Implement this new method. b. The getHonorsPercent method returns the percentage of students in the class who are in the honors program. Use 3.75 as the cutoff GPA. Implement this method. Also print the list of students, by using the isHonor method, in the Honors program. c. An alternate implementation for the School class is being considered, in which the students are stored in an ArrayList instead of an array. Show how the declaration of the data field students would look in this alternate design. MAIN CLASS: import java.util.ArrayList; public class Main { public static void main(String[] args) { System.out.println("Unit07Project2 by Your Name"); System.out.println(); int size = 10; School onw = new School(size); /* Add the code…
- For your final project, you will simply calculate the correct change due after purchase. In our previous assignment, we calculated quarters change in a void function. Here we are doing value returning functions. Do not overcomplicate this. I have provided ample instructions and hints. Plan your mode of attack before you start. If you need assistance, refer first to the hands-on exercise and tutorial you completed on Value Returning Functions in Kotlin in the Methods module. After that, ask me! 1. Create a local double variable called change and set it to a test value (e.g. 44.77) 2. Create five separate functions dollars0, quarters(), dimes(), nickels() and pennies(). 3. Each function will - accept a double amount as an argument - calculate and display that denominations number (e.g. 7 Dollars) - then return the recalculated change (e.g. 0.67) In Kotlin, the function signature for quarters would be: quarters(myChange: Double): Double For this to work, you will need to work from the…Predict what you think will happen if you change the test in insertMoney to use the greater-than or equal-to operator: if(amount >= 0) Check your predictions by running some tests. What is the one situation in which it makes a difference to the behavior of the method?Create two classes of your choice (a parent and a child) and access their properties as shownabove.
- Create a new project named lab7_1. You will be implementing a Tacos class. For the class attributes, let’s use to type of taco, number of tacos, and price. Note that the price per taco of any type is 99 cents. Therefore, allow the taco type and number of tacos to be set directly, but not the price! The price should be set automatically based on the number of tacos entered. So a good idea may be to call the setter for the price inside the function that sets the number of tacos. Some other requirements: A default constructor and a constructor with parameters for your taco type and number of tacos member variables. You should also include setters and getters for these private member variables. However, make sure that the setter for price is private! You don’t want anyone outside the class modifying price. This setter should be called anytime you change the number of tacos. Your constructor needs to call a set method that allows you to set the two member variables, thus takes two…I have provided you with 3 interfaces (HasLegs, HasWings, and BreathesUnderwater) and a Tester class. I want you to create 6 new classes: • 2 that implement HasLegs • 2 that implement HasWings • 2 that implement BreathesUnderwater For each of the classes, you will have to implement the methods that the interface dictates. In addition, override toString so that it prints out a simple message describing what the object is. See the example output of my implementation below for an idea how to do that. The Tester class creates 3 ArrayLists, one for each interface. It also loops through each ArrayList and prints out its contents using toString and the interface methods. In between those two chunks of code, you’ll see a //TODO: comment. It is there that I want you to create one object for each of the 6 classes you created and add that object to the appropriate ArrayList. Once you have done all that, you should be able to run your program and see output like the following: I am a table. I have…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…
- PLEASE ENSURE TO USE THE FRAMEWORK PROVIDED IN THE IMAGES, AND THAT IT WORKS WITH THE TESTER CLASS. Write a class RangeInput that allows users to enter a value within a range of values that is provided in the constructor. An example would be a temperature control switch in a car that allows inputs between 60 and 80 degrees Fahrenheit. The input control has “up” and “down” buttons. Provide up and down methods to change the current value. The initial value is the midpoint between the limits. As with the preceding exercises, use Math.min and Math.max to limit the value. Write a sample program that simulates clicks on controls for the passenger and driver seats.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…I have written some code however I am receiving error for task 1 and 2 as they are not completed for the toString. Please add toString. and my computemyaverage is receiving errors as well with decimal. Please help and fix. I have given the errors I am receiving below. This is the code that needs it added and changed. Use this please package assignment; public class PassFailCourse extends Course {//See Assignment 3 or "High Level View of Your Tasks" in Folio to see what Course contains/*** This overrides Course's computerCourseAverage method.* The course is Pass / Fail, which means you will not receive a specific grade.* however, you need a 75% average to pass the course.* (Remember that the Student class has computeMyAverage as a method)* @return the number of students who's average of all the student's quizzes is 75% or better divided by the total students in the course*/@Overridepublic double computeCourseAverage() {//counter for passing studentsdouble countP = 0;double pass =…
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