A constructor that accepts __________ parameters is called the default constructor. three one no two
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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:
A constructor that accepts __________ parameters is called the default constructor.
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- Create a constructor for the Student class you created. The constructor should initialize each Student’s ID number to 9999, his or her points earned to 12, and credit hours to 3 (resulting in a grade point average of 4.0). Write a program that demonstrates that the constructor works by instantiating an object and displaying the initial values. Save the application as ShowStudent2.java.There is only one type of constructor and it is a constructor that does not take any parameters. Choose one of the options:TrueFalseWrite a class called Alien. The Alien class must have one field of type String called name, one of type String called planet and one field of type boolean called humanoid. Write one constructor that takes three parameters to initialise all of these fields. The parameters must be passed in the order name, planet and humanoid status. IntelliJ hint (this won't be in the real test): put your cursor after the last field; right-click, choose Generate, choose Constructor, select the fields that are set via parameters and click Ok. Check that the constructor is correct. Write a getter method for each field. IntelliJ hint (this won't be in the real test): put your cursor after the closing curly bracket of the constructor; right click, choose Generate, choose Getter, select all of the fields; click Ok. Check that the you have three getters. Do not write setters methods. Write a method called getDetails that will return the values of the fields in one of the following two formats. For example,…
- a. Modify the FitnessTracker class that includes data fields for a fitness activity, the number of minutes spent participating, and the date. The class includes methods to get each field. In addition, create a default constructor that automatically sets the activity to running, the minutes to 0, and the date to January 1 of the current year. Create an application that demonstrates each method works correctly. b. Create an additional overloaded constructor for the FitnessTracker class you created in Exercise 3a. This constructor receives parameters for each of the data fields and assigns them appropriately. Add any needed statements to the TestFitnessTracker.java application to ensure that the overloaded constructor worksYou are required to build a mini FunTime application for the kids to play with their electronic toys in a virtual world. Follow the given steps Build a class Toy having the following data members Name(String) Color (String) Type (String) Price (float) batteryHealth (int) Provide constructor with arguments for name, color, type, and price. Initialize batteryHealth to 5 (which means full). Provide getter for each of these but no setters.Provide a function charge(String time). This function would increase the batteryHealth of the toy according to following rules Time Increase in battery health 15 mins 20% charging (Increase health by 1) 30 mins 40% 45 mins 60% 1 hour 80% 1 hour 15 mins 100% If the toy is already fully charged, then no more charging should be done and appropriate message to be displayed. The charge function returns the new health of the battery of toy object. Provide another function play() that reduces the batteryHealth of the toy…In c# i need to Create an application named TestSoccerPlayer that instantiates and displays a SoccerPlayer object. The SoccerPlayer class contains the following properties: Name - The player’s name ( a string) JerseyNum - The player's jersey number (an integer) Goals - Number of goals scored (an integer) Assists - Number of assists (an integer) using static System.Console; class TestSoccerPlayer { static void Main() { // Write your main here. } } class SoccerPlayer { // Write your SoccerPlayer class here. }
- Write Rectangle class to represent a rectangle. The class contains:a. Two double data fields named width and height that specify the width and height ofthe rectangle. The default values are 1 for both width and height.b. A no-arg constructor that creates a default rectangle.c. A constructor that creates a rectangle with the specified width and height.d. A method named getArea() that returns the area of this rectangle.e. A method named getPerimeter() that returns the perimeter.Create a class named CarRental that contains field's for: renter's name, zip code,size of car, daily rental fee, length of rental (in days), and total rental fee. The class should include a constructor that requires all the rental data except the daily rate and total fee, which are calculated based on the size of the car: economy size ($ 29.99 per day), midsize ($ 38.99), and full size ($ 43.50). The class also includes a display() method that will display all the rental information. Create a subclass name LuxuryCarRental. This class sets the rental fee at $79.99 per day and prompts the user to respond to the option of including a chauffeur at an addition $200 per day. Override the parent class display() method to include chauffeur fee information. Write an application named UseCarRental that prompts the user for the data needed for a rental and creates an object of the correct type. Display the total rental fee.Write a windows console application that holds data about an item in a retail store. Your class should be named RetailItem and should hold data about an item in a retail store. The class will have the following member variables: description - string holding the description of the item, unitsOnHand – int that holds the number of units in inventory price – double that holds the price of the item You will need two constructors, one that will accept arguments for esach member variable and one that will assign default values. You will also need to write mutator functions and accessor functions. Once you write the class, write a separate program that creates three RetailItem objects. The first one should use the default values and the other two should have values assigned upon creation. The user should input the variables (testing for the units on hand and price greater than 0). Then the program should display all three RetailItems. Finally the program should tally the inventory for all…
- console application named SalesTransactionDemo that declares several SalesTransaction objects and dispplays their values and their sum. The SalesTransaction class contains fields for a salesperson name, sales amount, and comission rate. Include three constructors for the class. Once constructor accepts values for the name, sales amount, and rate, and when the sales value is set, the constructor computes the commission as sales value time commission rate. The second constructor accepts a name and sales amount, but sets the commission rate to 0. The third constructor accepts a name and sets all other fields to 0. An overloaded + operator add the sales values for two SalesTransaction objects.C# (Odd or Even) Write an app that reads an integer, then determines and displays whether it’s odd or even. (Hints: use the remainder operator) (Multiples) Write an app that reads two integers, determines whether the first is a multiple of the second, and displays the result. (Hints: use the remainder operator). Create a class called Date that includes three pieces of information as auto-implemented properties: a month (type int), a day (type int), and a year (type int). Your class should have a constructor that initializes the three fields. Provide a method DisplayDate() that displays the three fields (separated by '/'). Write a test app named DateDemo that demonstrates class Date’s capabilities.Write an enumerated data type that describes types of triangles based on the number of equal sides. The types are equilateral (3 equal sides), isosceles (2 equal sides), and scalene (0 equal sides). Write the complete enum. Include a variable/field in the enum that represents the number of equal sides for that type of triangle. Include a getter for this variable. Include a toString method. Write a statement to create a variable of your enum type called myFavoriteTriangleType. Initialize the variable to some value. This statement would go in a separate class, perhaps in a main method.