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- StockList Class • This class will contain the methods necessary to display various information about the stock data. • This class shall be a subclass of ArrayList. • This class shall not contain any data fields. (You don't need them for this class if done correctly). • This class shall have a default constructor with no parameters. o No other constructors are allowed. • This class shall have the following public, non-static, methods: • printAllStocks: This method shall take no parameters and return nothing. ▪ This method should print each stock in the StockList to an output file. ▪ NOTE: This method shall NOT print the data to the console. The output file shall be called all_stock_data.txt. The data should be printed in a nice and easy to read format. o displayFirstTenStocks: This method shall take no parameters and return nothing. ▪ This method should display only the first 10 stocks in the StockList in a nice and easy to read format. ▪ This method should display the data in the…code in java language : kindly include comments for better understanding.Rainfall Type Create a RainFall class that keeps the total rainfall in an array of doubles for each of the 12 months. Methods in the programme should return the following values: • the total annual rainfall; • the average monthly rainfall • the wettest month of the year • the month with the least amount of rain Demonstrate the class in its entirety. Validation of Input: Accepting negative amounts for monthly rainfall data is not permitted.
- Java Overview In this task, you will try to create a class called Course and a test class that creates objects of the Course class. The purpose is to teach you to write classes, create objects of classes and call public methods on the created object. Task Write a class that represents a course given here at San University. The class must contain information about the course course code, name, number of credits and a description. This should be stored as instance variables in the class. Use English names for all variables and methods. All instance variables must use the String class as the data type. The instance variables may only be accessible within the own class. It must be possible to set new values for all instance variables in the class. This must be implemented with public set methods for all instance variables. There should also be a method that prints all information about the course on the screen in a "nice" and structured way. You must also write a "test class" that…Invoicing.java Create a class named Invoicing (no instance private data fields) that includes three overloaded computeInvoice() methods and one displayDetails() method for a book store: see pages 140 and 183 for examples... * Define a constant for the 8% tax rate at the top of the Invoicing class. Set the TAXRATE double constant to 0.08. Do not set to a whole number. When computeInvoice() receives a single parameter, it represents the price of one book ordered. Calculate the tax using the TAXRATE constant. Add the tax to the price and save the total due in a variable. Call the displayDetails() method, defined in the computeInvoice() class, being sure to pass the total due as an argument to the display method. * When computeInvoice() receives two parameters, they represent the price of a book and the quantity ordered. Multiply the price times quantity, calculate the tax using the TAXRATE constant, and calculate the total due. Call the displayDetails() method, defined in the…Java - Access Specifiers Create a class named Circle that has attributes radius, area, and circumference and make the attributes private. Make a public method that sets the radius and a method that prints all attributes. Ask the user input for radius. Note: Use the PI from the math functions Inputs A line containing an integer 10 Sample Output Radius: 20 Area: 1256.64 Circumference: 125.66
- N-SIDED REGULAR POLYGON) In an n-sided regular polygon, all sides have the same length and all angles have the same degree (i.e., the polygon is both equilateral and equiangular). Design a class named RegularPolygon that contains: ▪ A private int data field named n that defines the number of sides in the polygon with default value 3. ▪ A private double data field named side that stores the length of the side with default value 1. A private double data field named x that defines the x-coordinate of the polygon's center with default value 0. ▪ A private double data field named y that defines the y-coordinate of the polygon's center with default value 0. A no-arg constructor that creates a regular polygon with default values. A constructor that creates a regular polygon with the specified number of sides and length of side, centered at (0, 0). A constructor that creates a regular polygon with the specified number of sides, length of side, and x- and y-coordinates. ▪ The accessor and…Create a Student class, where attributes associated with each student are name, registration number, father name, degree and department. All attributes should not be accessed directly. One can view the details of all students. Note student attributes can not be changed by any means after initialization.In student class maintaining student count means your program could be able to tell the count of student objects created. (User static counter variable)Create a class called Account. Having private fields custname and protected field balance Define a constructor that takes custname and balance as inputs and sets appropriate fields. Create getname() and getbalance() methods. Create setname() for setting custname Create a method called add. This method takes one numerical input and adds it to balance. Create a method called subtract. This method takes one numerical input and subtracts it from balance Save this class to Account.java Write a Test class that creates objects of type Account. The Test class should create objects of Account type and call the object's methods. Subject: Java Programming
- Introduction In this project, you will complete a C++ class by writing a copy constructor, destructor, and assignment operator. Furthermore, you will write a tester class and a test program and use Valgrind to check that your program is free of memory leaks. Finally, you will submit your project files on GL. If you have submitted programs on GL using shared directories (instead of the submit command), then the submission steps should be familiar. In this project we develop an application which holds the information about a digital art piece. There are two classes in this project. • The Random class generates data. The implementation of this class is provided. It generates random int numbers for colors. To create an object of this class we need to specify min and max values for the constructor. The colors fall between 30 and 37 inclusively. The Art class generates random colors and stores the color values. You implement the Art class. An object of the Art class is a digital masterpiece.…Duplicate digit bonus def duplicate_digit_bonus(n): Some people ascribe deep significance to numerical coincidences, so that consecutive repeated digits or other low description length patterns, such as a digital clock blinking 11:11, seem special and personal to them. Such people then find numbers with repeated digits to be more valuable and important than all the ordinary and pedestrian numbers without any obvious pattern. For example, getting inside a taxicab flashing an exciting number such as 1234 or 6969 would be far more instagrammable than a more pedestrian taxicab adorned with some dull number such as 1729.Assume that some such person assign a meaningfulness score to every positive integer so that every maximal block of k consecutive digits with k>1 scores 10**(k-2) points for that block. A block of two digits scores one point, three digits score ten points, four digits score a hundred points, and so on. However, just to make this more interesting, there is also a special…# 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…