A test of an individual method or even a class in isolation from the rest of the system is called ______ ______.
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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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- Create a class named Calculate2. Add 2 instance variables, Quantity and UnitPrice. UnitPrice can include Rupees andCents.3. Add a no-argument constructor and a parameterized constructor.4. Add getters and setters for the 2 instance variables5. Add a user defined method named Total with no arguments. Total will calculate andreturn Quantity*UnitPrice. If Quantity is greater than 10, give 5% discount.6. Add a user defined method to display the total amount to the user.7. Create a Java Main application to create 2 objects using both constructors based onthe Calculate class to test the program.Create a class named Billing that includes three overloaded computeBill()methods for a photo book store.•• When computeBill() receives a single parameter, it represents the price ofone photo book ordered. Add 8% tax, and return the total due.•• When computeBill() receives two parameters, they represent the price ofa photo book and the quantity ordered. Multiply the two values, add 8% tax,and return the total due.•• When computeBill() receives three parameters, they represent the price of aphoto book, the quantity ordered, and a coupon value. Multiply the quantityand price, reduce the result by the coupon value, and then add 8% tax andreturn the total due.Write a main() method that tests all three overloaded methods. Save theapplication as Billing.java.create a class named checkup with fields that you read a patient number, blood pressure figures (systolic or diastolic), and two cholesterol figures (ldl and hdl). include a method named computeratio() that divides ldl cholesterol by hdl cholesterol and displays the result. include an additional method named explainratio() that explains that hdl is knowns as “good cholesterol” and that a ratio of 3.5 or lower is considered optimum pseudo code
- Create a class named Lease with fields that hold an apartment tenant’s name, apartmentnumber, monthly rent amount, and term of the lease in months. Include a constructor thatinitializes the name to “XXX”, the apartment number to 0, the rent to 1000, and the term to12. Also include methods to get and set each of the fields. Include a nonstatic methodnamed addPetFee() that adds $10 to the monthly rent value and calls a static methodnamed explainPetPolicy() that explains the pet fee. Save the class asLeaseYourlastname.java. Replace ‘Yourlastname’ with your real last name.b) Create a class named TestLease whose main() method declares four Lease objects. Call agetData() method three times. Within the method, prompt a user for values for each fieldfor a Lease, and return a Lease object to the main() method where it is assigned to one ofmain()’s Lease objects. Do not prompt the user for values for the fourth Lease object, but letit continue to hold the default values. Then, in main(), pass…A(n)_ is a special kind of class that never uses any non-virtual methods. Please provide your comment in the spaces provided.Create a class Course, which has one field: String courseName Create the constructor, accessor, and mutator for the class. Then, in the main method of this class, create an instance of the class with the name "CST1201". Write an equivalent while statement to replace the following for statement for (int i=2; i<100; i=i+2) { System.out.println(i); }
- Q1: Write a Java class called Machine which has: 2 instance variables brandName and power (to check if it is On or not) 2 constructors (a multi-argument constructor and a zero-argument one) getters for the two instance variables a setter for brandName 2 methods switchOn() and switchOff() which change the value of power a method called display() to print the status of the machineQ2: Write a Java class called TestMachines which has a main method to test yourcode as follows: create a Machine object to be initialized to "Dell" brand and to be Off. create another Machine object using the zero-arg constructor. Then change itsbrand to "Sharp" and switch it on. print the status of the 2 machines. declare and create an array that can hold up to 3 machines fill the array with suitable data print how many machines of brand "Dell" declare and create an ArrayList of machines fill the list with suitable data print how many machines are On.Create a class named Checkup with fields that hold a patient number, two blood pressure figures (systolic and diastolic), and two cholesterol figures (LDL and HDL). Include methods to get and set each of the fields. Include a method named computeRatio() that divides LDL cholesterol by HDL cholesterol and displays the result. Include an additional method named explainRatio() that explains that HDL is known as “good cholesterol” and that a ratio of 3.5 or lower is considered optimum. Save the class as CheckupType.cpp. Create a tester program named TestCheckup whose main() method declares four Checkup objects. Call a getData() method four times. Within the method, prompt a user for values for each field for a Checkup, and return a Checkup object to the main() method where it is assigned to one of main()’s Checkup objects. Then, in main(), pass each Checkup object in turn to a showValues()method that displays the data. Blood pressure values are usually displayed with a slash between the…C# Given the following Deposit method, which can possibly overload it in the same class?public void Deposit() { } Question 8 options: public void Deposit(decimal amount) { } public void Deposit(int amount) { } public void Deposit(double amount) { } All of the above.
- I would like you to create a program that keeps track of the inventory (by make - e.g., Toyota) of cars on a used car lot. you will have to create two classes. The first is a simple Car class that consists of an inventory, make, and model. The second class you need to create for this challenge is the Lot. A Lot can contain many cars. Part 1 Write the Car constructor, get methods, and toString method. Part 2 Write the Car's increase and decrease inventory methods. Part 3 Edit the Car so it implements Comparable and compares Car instances based on their inventory in descending order. Part 4 Write the getCars and getCarsSorted methods of the Lot class. Part 5 Write the getInventory method of the Lot class. Part 6 Use a try/catch block in the Car's constructor so that it sets the inventory to 0 if the inventory passed to the constructor is not a valid integer. this is the output that should be produced by main: Make: [Toyota Camry (10), Toyota Prius (4), Toyota Rav4 (16)] [Hyundai…Create a class named customer purchase that will contain get and set methods for a customer number, first name, surname, product, price and quantity. Create a separate class called printing that will include a method called print details, that will print the customer invoice. In the printing class include another method called customer purchase report which will display the following information: all written in JavaThe Rectangle class) Following the example of the Circle class in Section 9.2, design a class named Rectangle to represent a rectangle. The class contains: ■ Two double data fields named width and height that specify the width and height of the rectangle. The default values are 1 for both width and height. ■ A no-arg constructor that creates a default rectangle. ■ A constructor that creates a rectangle with the specified width and height. ■ A method named getArea() that returns the area of this rectangle. ■ A method named getPerimeter() that returns the perimeter.Draw the UML diagram for the class and then implement the class. Write a test program that creates two Rectangle objects—one with width 4 and height 40and the other with width 3.5 and height 35.9. Display the width, height, area, and perimeter of each rectangle in this order.