A variable that is used to reference an object is commonly called a(n) __________. a. reference variable b. resource variable c. object variable d. component variable
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A variable that is used to reference an object is commonly called a(n) __________.
a. reference variable
b. resource variable
c. object variable
d. component variable
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- Write a GUI program named ProjectedRaisesGUI that allows a user to enter an salary. Then display, with explanatory text, next years salary, which reflects a 4 percent increase.Create an application named TurningDemo that creates instances of four classes: Page, Corner, Pancake, and Leaf. Create an interface named ITurnable that contains a single method named Turn The classes named Page, Corner, Pancake, and Leaf implement ITurnable. Create each classs Turn() method to display an appropriate message. For example, the pages Turn() method might display You turn a page in a book.Create an enumeration named Month that holds values for the months of the year, starting with JANUARY equal to 1. (Recall that an enumeration must be placed within a class but outside of any method.) Write a GUI program named MonthNamesGUl that prompts the user for a month integer. Convert the users entry to a Month value, and display it.
- Create an application class named LetterDemo that instantiates objects of two classes named Letter and CertifiedLetter and that demonstrates all their methods. The classes are used by a company to keep track of letters they mail to clients. The Letter class includes auto-implemented properties for the name of the recipient and the date mailed. Also, include a ToString() method that overrides the Object classs ToString() method and returns a string that contains the name of the class (using CetType and the Letters data field values. Create a child class named CertifiedLetter that includes an auto-implemented property that holds a tracking number for the letter.You can specify the coordinates for a Google map object by _____. a. passing the latitude and longitude in as the first and second arguments to its constructor b. calling itsLatLng()method, passing in the latitude as the first argument and the longitude as the second argument c. including a string containing the latitude and longitude as the value for thecenterproperty in the map options object literal passed in to its constructor d. modifying either the latitude or the longitude using itssetLat()orsetLng()methodRead the instructions below and write your code using Microsoft Visual Studio (Community version). Build your own console application with C#. Write a Rectangle class, the private data members are the length (len) and width (wid) of the rectangle, the parameterless constructor sets len and wid to 0, and the parameterized constructor sets the value of length (len) and width (wid). In addition, the class also includes common methods such as calculating the perimeter of the rectangle, calculating the area of the rectangle, obtaining the length value of the rectangle, obtaining the width value of the rectangle, and modifying the length and width values of the rectangle to the corresponding formal parameter values. Please upload your executable C# file as attachment in the system.
- Create an application named TestClassifiedAd that instantiates and displays at least two ClassifiedAd objects. A ClassifiedAd has fields for a Category (For example, Used Cars and Help Wanted), a number of Words, and a price. Include properties that contain get and set accessors for the category and number of words, but only a get accessor for the price. The price is calculated at nine cents per word. Note: Your output should be formatted as: The classified ad with 100 words in category Used Cars costs $9.00 The classified ad with 60 words in category Help Wanted costs $5.40 In order to prepend the $ to currency values, the program will need to use the CultureInfo.GetCultureInfo method. In order to do this, include the statement using System.Globalization; at the top of your program and format the output statements as follows: WriteLine("This is an example: {0}", value.ToString("C", CultureInfo.GetCultureInfo("en-US"))); using static System.Console; using System.Globalization; public…In the project you created in previous activities. Add a class. Name it Student. That class should have student name (string), student grades (array of size 3). Create a DisplayInfo() function that displays the values of the member variables in the class. In main, create an instance of that array and fill that instance with data. Call the DisplayInfo() function from main so it prints the content of the object. A screenshot showing the code in Visual Studio and the output (on the console screen). Activity 1 code #include <iostream> using namespace stdvoid main() {cout << "Welcome to my world..." << endl;system("pause");Please help me create a trivia game using java. The trivia game should come up with random questions about cars, science, math, computers etc the program should have some of the following ( indicate what you've chosen Fractals 2D arrays recusrsion Gui classes methods A game menu page
- design a class named Rectangle to represent a rectangle. The class contains: A method named getPerimeter() that returns the perimeter. 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. 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. 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 40 and the other with width 3.5 and height 35.9. Display the width,…Create a class called Student to represent a Student exam grades. The class has four instance variables: A String variable for the name, and three double variables to store three exams grades for the student. Write a mutator method that takes four parameters—A String and three doubles. Use these parameters to initialize the instance variables declared earlier. Write a getAverage method that calculates and returns the average of the three exam grades. Write a separate program that creates 2 Student objects to hold the following data. First Name Exam#1 Exam#2 Exam#3 Ahmed 83.0 95.5 90.0 Kareema 75.25 83.0 89.0 Output the name and average grade for each of the above students.Design a class named Square to represent a square. The class contains: One double data field named side that specify the side’s length of the square. The default value is 1 for side’s length. A no-arg constructor that creates a default square. A constructor that creates a square with the specified side’s length. A method named getArea() that returns the area of this square. A method named getPerimeter() that returns the perimeter of this square.