#include using namespace std; class Game { public: Game() { cout <<"Game Started"<
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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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- In the board game Scrabble, each tile contains a letter, which is used to spell words in rows and columns, and a score, which is used to determine the value of words. The point of this exercise is to practice the mechanical part of creating a new class definition: Write a definition for a class named Tile that represents Scrabble tiles. The instance variables should be a character named "letter" and an integer named "value". Write a constructor that takes parameters named letter and value, and initializes the instance variables. Create getters for both of the attributes. (No setters, so that a Tile is immutable.) Implement the .toString() and .equals methods for a Tile. Your completed Tile class should work with this Main program (Links to an external site.) so that it produces sample output like shown at the end of the program. You can Fork the program to make your own version in Replit, where you can add your Tile.java, or you can copy the program to your own Java development…Complete the Car class below so that it inherits from the given Vehicle class. Cars lose value over time. In this example, you should assume that the value is reduced by 25 cents per mile driven, until it reaches zero. Do not add any instance variables to the Car class. /** Represents a car.*/public class Car // TODO: Inherit from Vehicle{ // Do NOT add any instance variables public Car(double purchasePrice) { // TODO: Complete } // TODO: Override the getValue method}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); }
- In this exercise, you have to calculate the student's total marks using the concept of Classes Problem Statement# Write a Java class called Student with ● private fields: ○ name(String type) ○ mark1 and mark2 (double type) And methods: ● getMarks(int markNumber), a method which should return mark1 if markNumber equals 1 and mark2 otherwise. ● calcTotal() method should take the two marks entered and return their sum. Also define two constructors: ● A default constructor that takes no parameters and initializes the values to zeros and null. ● A constructor that takes the three variables and sets them as the values of the appropriate fields. Input# Name of the student and the marks obtained in the first and second tests Output# Sum of both marks Sample Input# Student student = new Student("Jack", 60, 70); Sample Output# getMarks(1) => 60 getMarks(2) => 70 calcTotal() => 130.0 Part of solution class Student { // Define private fields here public Student() { // Write…In this lab you will write three classes: Die, PairOfDice, and Player.The Die class mimics the rolling of a die. Specifically, this class will implement the following methods:• A default constructor initializing the number of sides of a die to 6.• An overloaded constructor that takes an integer number of sides (assume greater than 1).• roll which generates and returns a random number between 1 and the number of sides(inclusive).• An accessor method to read the value of the face on the die.• A toString method returning the string representation of the face value.The maximum number of sides should be stored as a private constant in the Die class. Also use theRandom class for the random number generator.The PairOfDice class mimics the rolling of two dice. Specifically, this class will implement thefollowing methods:• A default constructor that creates and initializes the number of sides of each die to 6.• An overloaded constructor that creates and takes two integer number of sides, one…Write a class Die representing a single die. Your class should include: An instance variable for the number of sides on the die. A constructor that allows you to specify the number of sides on the die. This method shouldcheck that there are at least 2 sides; if not, it should default to having 6 sides. A toString method that returns a description of the die, including its number of sides. A roll method that randomly returns one of the numbers on the die. Each number should have an equal probabilityof being returned. Assume that the numbers on the die range from 1 to the number of sides. A testDie method that takes one parameter for the number of times to roll the die. This method should roll the diethat number of times, keeping track of the results. Once all rolls are complete, the method should display statisticson how many times each number appeared, and the corresponding percentage. Example: Die myD4 = new Die(4); myD4.testDie(100000);might result in something like: Results from…
- A SuperDie Class Write a class SuperDie that models a single die with an arbitrary number of sides, not just six. A die instantiated with the default constructor has six sides. The methods of this class should be: • roll a die and return its value, • return the number of sides on a die, and • change the number of sides on a die. Include a main(...) method that tests all the methods of your class.Question: 2 Implement the design of the Purchaser and AarongProducts classes so that the following code generates the output below: #Write your code here p1 = Purchaser('Alex Light') print('1.===============================') print(p1) product1 = AarongProducts('Decor', 'Photo-Frame') print('2.===============================') print(product1) print('3.===============================') print(AarongProducts.products) print('4.===============================') AarongProducts.include_products('Souvenirs',['Brass-Flowervase 2170', 'Terracotta-Vase 3500']) print(f'Updated Item List:\n{AarongProducts.products}') print('5.===============================') product2 = AarongProducts('Souvenirs', 'Terracotta-Vase', 2) print(product2) print('6.===============================') p1.create_invoice(product1, product2) print('7.===============================') product3 = AarongProducts('Decor', 'Candles', 5) print(product3) print('8.===============================') product4 =…Can it be two classes, the Calculator class must instantiate the CalculatorFrame class and the CalculatorFrame class must be where the calculator gets built.
- In Java Language Create a CheckingAccount class to represent a checking account This class inherits from the Account class that you've created so far and has one new attribute, the overdraft limit, specifying how much the account can be overdrawn by. For example, if you have $100 in the account and you try to withdraw $150. This would be fine, if your overdraft limit was $50, meaning you can overdraw your account by $50 without penalty. Note: All you're doing at this stage is creating the limit, don't worry about dealing with the overdraft yet. You just want a variable at this stage. Your CheckingAccount class should also have getters and setters for the overdraft attribute and a constructor, but keep in mind how constructors work with inheritance. No other methods or adjustments are to be made at this time. Write a driver (or use your existing one) to test your CheckingAccount class by creating at least 1 instance and printing out its overdraft limit by using the getter.Using the definitions below, write two classes to use with your D&D friends! Die Write a Die class to model a die (like you play Yahtzee or Monopoly with). Fields faces The number of sides on the die. value The last rolled value (generated by the roll() method). Methods __init__(self, faces=6) Constructor. faces defaults to 6 and value defaults to 0. roll(self) returns a random number between 1 and numSides (inclusive) __str__(self) returns the string version of a die; Example: "[d6] 3" where 6 is the number of sides and 3 is the value. DiceSet Write a class named DiceSet that contains a list of Die objects. Fields dice a list of Die objects Methods __init__(self, dice_faces) The constructor should instantiate the dice list to an empty list if no parameters are set. The constructor should take a list of integers. Add one die to the dice set for each integer with the number of faces equal to the integer. pop_die(self, value) Remove and return the first die…Four in a row is a game in which players take turns adding tokens to the columns on the game board. Tokens fall to the lowest position in the chosen column that does not already have a token in it. Once one of the players has placed four of their tokens in a straight line (either vertically, horizontally, or diagonally), they win the game If the board is full and no player has won, then the game ends in a draw. TASK Using the following class descriptions, create a UML diagram and a version of Four in a row game The game must allow for a minimum of two and maximum of four players The game must allow each player to enter their name(duplicate names should not be accepted) The game should give the players the ability to choose how many rows (between four and ten), and how many columns (between four and ten) the game board should have. The code uses several classes, including "Player", "Board","Game" and exceptions for handling errors such as invalid moves and full columns.…