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- (java programing) Define a student class. A student has the following attributes: Firstname: the name of the student lastname: the name of the family Gender: which can be male or female status: which can be equal to freshman, sophomore, junior, and senior gpa: The average which value is between 0.0 to 4.0 Then define the following methods for the student class. • The show_myself: method will simply print all the attribute variables when called upon the object. This method has no input arguments. • The study_time: method will increment the gpa of the student according to the following formula: ` gpa = gpa + log(study_time)`. The only input argument of this method is the variable study_time. • In addition make sure that the gpa variable never exceeds 4.0 even if the student studies for a very long time. • Any necessary methods that is required for such class.(Rectangle Class) Create class Rectangle. The class has attributes length and width, each of which defaults to 1. It has read-only properties that calculate the Perimeter and the Area of the rectangle. It has properties for both length and width. The set accessors should verify that length and width are each floating-point numbers greater than 0.0 and less than 20.0. Write an app to test class Rectangle. THIS IS C#(Car Class) Create a class called Car that includes three instance variables-a model (type String), a year (type String), and a price (double). Provide a constructor that initializes the three instance variables. Provide a set and a get method for each instance variable. If the price is not positive, do not set its value. Write a test application named CarApplication that demonstrates class Car's ca- pabilities. Create two Car objects and display each object's price. Then apply a 5% discount on the price of the first car and a 7% discount on the price of the second. Display each Car's price again. 3.13
- (Java) Question 2 Explain the answer step-by-step and include verbal explanation. Thank you! What is the difference between overriding a method and overloading a method? Select the correct option next to each statement, or select both options if the statement is true for both. Both methods have the same name: Overriding / Overloading Both methods have the same signature: Overriding / Overloading Both methods are defined in the same class: Overriding / Overloading(Polymorphic Application) You’ve been asked to develop a flight simulator that will haveelaborate graphical outputs. Explain why polymorphic programming could be especially effectivefor a problem of this nature.(Savings Account Class) Create class SavingsAccount. Use a static variable annualInterestRateto store the annual interest rate for all account holders. Each object of the class contains aprivate instance variable savingsBalance indicating the amount the saver currently has ondeposit.Provide method calculateMonthlyInterest to calculate the monthly interest by multiplying thesavingsBalance by annualInterestRate divided by 12—this interest should be added to savingsBalance. Provide a static method modifyInterestRate that sets the annualInterestRate to a newvalue. Write a program to test class SavingsAccount. Instantiate two savingsAccount objects,saver1 and saver2, with balances of $2000.00 and $3000.00, respectively. SetannualInterestRate to 4%, then calculate the monthly interest for each of 12 months and printthe new balances for both savers. Next, set the annualInterestRate to 5%, calculate the nextmonth’s interest and print the new balances for both savers.
- (Java) Create a class named Customer that will determine the monthly repayment amount due by acustomer for a product bought on credit. The class has five fields: customer name, contactnumber, product price, number of months and the monthly repayment amount. Write get and setmethods for each field, except for the monthly repayment amount field. The set methods mustprompt the user to enter the values for the following fields: customer name, contact number,product price and number of months. This class also needs a method to calculate the monthlyrepayment amount (product price divided by the number of months).Add a subclass named Finance_Period that will determine if a customer will pay interest or not. Ifthe number of months to pay for the product is greater than three, the customer will pay 25%interest, or else no interest applies. The maximum number of months to pay for the product is 12.Override the calculate_repayment() method by determining if the customer will pay interest ornot…(Data exploration and Mining Method Proposal): Here you will explore your data both visually and/or statistically then propose methods for mining it. I- Present a simple statistical exploration of your data (correlations, standard deviations, means, medians). Also explore your data visually using methods such as histograms, scatterplots ,heat maps, box and whisker plots...) II- Propose a data mining method covered in the class to apply on your data.(java programing) I don't want it in handwriting. Define a student class. A student has the following attributes: Firstname: the name of the student lastname: the name of the family Gender: which can be male or female status: which can be equal to freshman, sophomore, junior, and senior gpa: The average which value is between 0.0 to 4.0 Then define the following methods for the student class. • The show_myself: method will simply print all the attribute variables when called upon the object. This method has no input arguments. • The study_time: method will increment the gpa of the student according to the following formula: ` gpa = gpa + log(study_time)`. The only input argument of this method is the variable study_time. • In addition make sure that the gpa variable never exceeds 4.0 even if the student studies for a very long time. • Any necessary methods that is required for such class.
- (Java) Write a method for the farmer class that allows a farmer object to pet all cows on the farm. Do NOT use arrays(Geometry: MyRectangle2D class) Define the MyRectangle2D class that contains: Two double data fields named x and y that specify the center of the rectangle with getter and setter methods. (Assume the rectangle sides are parallel to the x- or y-axis.) The data fields width and height with getter and setter methods. A no-arg constructor that creates a default rectangle with (0, 0) for (x, y) and 1 for both width and height. A Constructor that creates a rectangle with the specified x, y, width, and height. A method getArea() that returns the area of the rectangle. A method getPerimeter() that returns the perimeter of the rectangle. A method contains(double x, double y) that returns true if the specified point (x, y) is inside this rectangle (see Figure 10.24a ). A method contains(MyRectangle2D r) that returns true if the specified rectangle is inside this rectangle (see Figure 10.24b ). A method overlaps(MyRectangle2D r) that returns true if the specified rectangle overlaps with this…(CLO3) Read the following description and answer the following questions about it: Problem Description: A car dealership allows customer to purchase their new cars with different options. At this time, those options are color, model, and air condition, as shown below in class CustomerOrder. Of course, the dealership wants the software to be flexible enough to be able to add more options in the future, if needed. CustomerOrder -carColor: String -carModel: String -hasAirCondition: boolean Q1) Write the full required code in Java to use the Builder design pattern to create class CustomerOrder. Q2) Write a Java main() method to create an object of class CustomerOrder with color "red" and without air condition.