(The HyPoint class) Design a class named MyPoint to represent a point with x- and y-coordinates. The class contains: - The data fields x and y that represent the coordinates with getter methods. A no-arg constructor that creates a point (0, 0). A constructor that constructs a point with specified coordinates. - A method named distance that returns the distance from this point to a specified point of the MyPoint type.
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- The 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.2.2 Combination Implement a class, called Combination, to store four integer values (ints). 1. Declare the necessary instance variables to store the four integer values 2. Create a constructor, public Combination(int first, int second, int third, int fourth), to initialize the values of this object 3. Implement the instance method public boolean equals(Combination other), such that equals return true if other contains the same values, in the same order, as this Combination; the order is defined by the order of the pa- rameters of the constructor, given the following: Combination c1; cl = new Combination( 1, 2, 3, 4 ); Combination c2; c2 = new Combination( 1, 2, 3, 4 ); Combination c3; c3 = new Combination( 4, 3, 2, 1 ); then c1.equals(c2) is true but c1.equals(c3) is false; 4. Finally, implement the method public String toString(), to return a String representation of this object, where the first, second, third and fourth values are concatenated and separated by : symbols. E.g.…phys2 - Google Drive Books ▾ WhatsApp Study Career Life 9.6 (Stopwatch) Design a class named StopWatch. The class contains: Private data fields startTime and endTime with getter methods. ■ A no-arg constructor that initializes startTime with the current time. ■ A method named start() that resets the startTime to the current time. ■ A method named stop() that sets the endTime to the current time. ■ A method named getElapsedTime) that returns the elapsed time for the stopwatch in milliseconds. Show transcribed image text Draw the UMI. diagram for the class and then implement the class. Write a test program that measures the execution time of sorting 100,000 numbers using selection sort. For ed
- # Coding - Simulate a robot Write a program that simulates the movements of a robot. The robot can have three possible movements: turn right turn left advance The robot is placed on a hypothetical infinite grid, facing a particular direction (north, east, south, or west) at a set of `{x,y}` coordinates,e.g., `{3,8}`, with coordinates increasing to the north and east. Create a Class `Robot` that contains a method `execute` which given a number of instructions will calculate the robot's new position, and the the direction in which it is pointing. ## Example The letter-string "RAALAL" means: Turn right Advance twice Turn left Advance once Turn left yet again Say a robot starts at `{7, 3}` facing north. Running this stream of instructions should leave it at `{9, 4}` facing west. ## Inputs and Outputs The argument of the `execute` is `string` in the format `X Y BEARING COMMANDS`. The method should return a one-liner `string` in the format `X Y BEARING`. In the…1.2 The class Notebook has the following instance data: • Brand name – example: Acer, Dell, Lenovo • Item code – example: AC10237761 Cost price Selling price c) Write a complete class called Notebook with the following methods: vi. Default constructors vii. Mutator method for all data members viii. Accessor methods for all data members ix. tostring () method to return the objects' information x. discountPrice (): a processor method to accept one parameter, discount rate and return the discounted selling price. The discount selling price is computed using the formula: discount selling price = selling price – (selling price x discount rate) xi. percentageProfit(): a processor method to calculate the profit percentage. The percentage of profit is calculated using the following formula: profit percentage = ((selling price – cost price)/ cost price) x 100. d) Write an application class called NotebookApp to perform the following: i. Declare an object of notebook and store the data ii.…2. Import Classa) Implement a class Rectangle with two attributes, width and height. b) Implement an init method with an optional parameter type. Set the default value of the attributes of width and height to 1.c) Implement a display method to print the values of width and height.d) Implement a setWidth method to assign width to the instance variable.e) Implement a setHeight method to assign height to the instance variable.f) Implement a getWidth method to return the value of the instance variable width.g) Implement a getHeight method to return the value of the instance variable height.h) Implement an area method to return the value of area of a rectangle.i) Save Rectangle class as rectangle.py.j) Import Rectangle class from rectangle.py.k) Employs the Rectangle class methods above to set and get various measurements of a rectangle. 1) Instantiate two objects of type rectangle, one with arguments one without. r1 = Rectangle(4, 5)r2 = Rectangle() 2) Call display() to print width and…
- 1/3 Part-1 (Objects and Classes) Create a Java Project (with a class and a test class) to represent some real-world entity such as a technology item (TV. Fan etc), an animal, a person, a vehicle, etc. In our class, we have already seen example classes such as Circle, Student, Rectangle, TV etc. The class will: a) Create a total of 5 member variables for the class by selecting the appropriate data types for each field. For example, a class to represent a lamp might include color, price, height, numBulbs, batteryOperated. Each of these 5 variables needs a data type. b) Include at least three different constructor methods, including the default constructor (no argument constructor), so totally three constructors. c) Create a method called showValues( ) to display the values of an object in a formatted manner, The Java test class (with a main method) will: a) Instantiate at least three objects (using each of the constructors at least once) with your program. b) Store the data from the…· Exercise # 2: Implement a class Portfolio. This class has two objects, checking and saving, of the type bankAccount that was developed in the worked example. Initialize the 2 bank accounts with 0 initial balance. . Implement four methods • def deposit (self, amount, account) • def withdraw (self, amount, account) • def transfer (self, amount, account) • def getBalance (self, account) • Here the account string is "S" or "c" for Saving and Checking, respectively. For the deposit or withdraw, it indicates which account is affected. For a transfer, it indicates the account from which the money is taken; the money is automatically transferred to the other account. • To test your class: . create one Potfolio object • deposit 10000 in its checking account . transfer 5000 from checking account to saving account . withdraw 2500 from checking account display the balance of both accounts • A run for the above test program will result in the following output 5000.0 Saving balance = Checking…3e. Update the NineToFiver class to ensure it properly extends the LocalResource class Write class LocalConsultant that extends LocalResource, and implements Citizen and Consultant. LocalConsultant exposes the following public methods: 4a. LocalConsultant(String dob, String sector, double skillPrice, double taxRate)- Saves local instance data – populates superclass data and calculates and saves a permit tax for the instance with a value given by taxRate*skillPrice. 4b. earnFromSkill():double- return the skillPrice for the instance 4c. getContact():String – return the string value obtained by joining the text “LocalConsultant#” with the id associated with the person 4d. getPay():double – returns the value obtained by subtracting the permitTax from the value earned from the skill. Attempted code class LocalConsultant extends LocalResource implements Citizen, Consultant { private String skill;private double permitTax; public LocalConsultant(String dob, String sector, double skillPrice,…
- 1.1. Write a front-end class called Debug and save it in a file called Debug.cpp. This class must have the following structure: Public Members Data Type Name Description This static member will store the display state of the class. boolean АCTIVE Public Methods Description This static method must display a message on the console. This method should only contain the following instruction: Return Type Method Signature log(string className, string methodName, string message) void cout<<"\NDEBUG - "<** StopWatch class ** Often, we need to determine how long it takes/took to perform a certain action(s). Write a class, StopWatch which will provide an easy interface to the computer's timing facilities. When you first create a Timerobject, it should be set to a 'stop' state. When the programmer wants to time something, they call the start) method before the action executes and call the stop) method after the event finishes. The elapsed) method will return (in whole seconds) how long the action took. This simple operation may not suit all programmers' needs. To allow more general usage, we'll also the programmer to start the timer at the object's declaration. Also, a programmer can get the elapsed time whether the timer is still running or not. Finally, we'll provide an toString() method so the programmer can directly print the currently elapsed time without having to retrieve it separately. In addition, allow the programmer to subtract) and add0 two StopWatch objects to receive a…2-) Write a superclass encapsulating a rectangle. A rectangle has two attributes representing the width and the height of the rectangle as a data members. It has methods returning the perimeter(P=2*(L+W)) and the area of the rectangle(A=L*W). This class has a subclass encapsulating a parallelepiped, or box. A parallelepiped has a rectangle as its base, and another attribute named depth. The derived class Box should have a constructor, a volume() function and an override function named area () that returns the surface area of the box. Include the classes constructed in a working C++ program. Have your program call all the member functions in each class and verify the results manually.SEE MORE QUESTIONS