Which line of code results in a background color of green? Obody [background-color:green;] Obody (background-color:green;) Obody Obody {background-color:green;}
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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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- : A point in the x-y plane is represented by its x-coordinate and y-coordinate. Design a class, pointType, that can store and process a point in the x-y plane. You should then perform operations on the point, such as showing the point, setting the coordinates of the point, printing the coordinates of the point, returning the x-coordinate, and returning the y-coordinate. Also, write a test program to test the various operations on the point.shapes = [{'type': 'circle', 'x': 300, 'y': 300, 'radius': 100, 'color': 'cyan'},{'type': 'circle', 'x': 300, 'y': 300, 'radius': 10, 'color': 'white'},{'type': 'rectangle', 'x1': 500, 'y1': 500, 'x2': 550, 'y2': 580, 'color': 'green'},{'type': 'line', 'x': 0, 'y': 0, 'a': 100, 'b': 300, 'color': "black", 'width': 7},{'type': 'point', 'x': 200, 'y': 50, 'color': 'black'},{'type': 'point', 'x': 205, 'y': 50, 'color': 'black'},{'type': 'point', 'x': 210, 'y': 50, 'color': 'black'},{'type': 'triangle', 'x': 500, 'y': 100, 'a': 600, 'b': 100, 'c': 550, 'd': 200, 'color': 'yellow'},{'type': 'oval', 'x': 100, 'y': 100, 'a': 400, 'b': 400, 'color': 'red'},{'type': 'text', 'x': 500, 'y': 50, 'message': 'hello world!', 'color': 'blue'}] I'd like to take this list and write it to a new txt file. Ignoring the ':' , {}, and words within quotation marks. so the txt file created would look like this: circle, 300,300, 100, cyancircle, 300,300, 10, whiterectangle, 500,500, 550,580, greenline, 0,0,…3. Magic Square: Create a class MagicSquare that prompts the user for a positive odd integer size, generates a normal magic square of order size, and prints it with numbers right-justified and aligned in evenly-spaced columns. You may assume the numbers in the square are 3 digits or less (i.e. size ≤31). However, each space-separated column should have a width equal to the largest integer in the magic square. (See example transcripts below.) To generate the magic square, use the following algorithm: Assign 1 to our initial current position: the bottom row, middle column. Place each successive value (up to size * size) in the first of the following positions that is unoccupied: (1) one space down and to the right, or (2) one space up. Positions wrap around the sides, top and bottom, as shown in the following example transcripts (user input underlined): Please enter a positive odd integer: 3 492 357 8 16 Please enter a positive odd integer: 5 11 18 25 2 9 10 12 19 21 3 4 6 13 20 22 23 5…
- Java Program Fleet class- reading from a file called deltafleet.txt-Using file and Scanner Will be creating a file called newfleet.txt Instance Variables:o An array that stores Aircraft that represents Delta Airlines entire fleeto A variable that represents the count for the number of aircraft in the fleet• Methods:o Constructor- One constructor that instantiates the array and sets the count to zeroo readFile()- This method accepts a string that represents the name of the file to beread. It will then read the file. Once the data is read, it should create an aircraft andthen pass the vehicle to the addAircraft method. It should not allow any duplicationof records. Be sure to handle all exceptions.o writeFile()- This method accepts a string that represents the name of the file to bewritten to and then writes the contents of the array to a file. This method shouldcall a sort method to sort the array before writing to it.o sortArray()- This method returns a sorted array. The array is…Design an application that declares an array of 10 StockTransactionobjects. Prompt the user for data for each object, and then display all the values. Design an application that declares an array of 10 StockTransactionobjects. Prompt the user for data for each object, and then pass the array to a method that determines and displays the two stocks with the highest and lowest price per share.JavaFX Programming Using Scenebuilder with eclipse or another ide code this in JAVA code this program 02 - Rational GUI: Using the Rational class code from Lab 4, create a GUI which allows you to add, subtract, multiply, and divide Rational numbers by entering the numerator and denominator in separate fields. The results should also be displayed in two separate fields. public class Rational { // data private int num; private int den; // constructors /** * Constructs a Rational from a numerator and denominator * * @param n the numerator * @param d the denominator */ public Rational(int n, int d){ if (d==0) { System.out.println("Cannot divide by 0"); d=1; } num = n; den = d; simplify(); } /** * Constructs a Rational from an integer * * @param i the integer. numerator=i, denominator = 1. */ public Rational(int i) { this(i, 1); } // selectors /** * gets numerator * * @return numerator */ public int getNumerator(){ return num; } /** * gets denominator * * @return denominator */…
- Travel Tickets Company sells tickets for airlines, tours, and other travel-related services. Because ticket agents frequently mistype long ticket numbers, Travel Tickets has asked you to write an application that indicates invalid ticket number entries. The class prompts a ticket agent to enter a six-digit ticket number. Ticket numbers are designed so that if you drop the last digit of the number, then divide the number by 7, the remainder of the division will be identical to the last dropped digit. Accept the ticket number from the agent and verify whether it is a valid number. Test the application with the following ticket numbers: . 123454; the comparison should evaluate to true . 147103; the comparison should evaluate to true . 154123; the comparison should evaluate to false Save the program as TicketNumber.java.class Book: book_belongs_to = 'Schulich School of Engineering' def _init_(self, pages = e, title = 'Unknown', author = 'Unknown', isbn self.pages = pages e): %3D self.title = title self.author = author self.isbn = isbn Book (255, 'Black Beauty', 'Anna Sewell', 9780001840423) Book (208, 'The Chrysalids', 'John Wyndham', 9780140013085) book1 = book2 = Book.book_belongs_to 'Emily Marasco' %3D book3 = Book ()2- Create a class named Test. The class must contain the main method. In the main method, you should create three objects from class Employee and store them in an array of type Employee (you must prompt the user to enter name and salary for each object). Then, you should print the name and salary of each object (using either the getters or the toStrong() method).
- 5. Given the following code AFIFOQueue aQue = new AFIFOQueue (10); AStack astack - new AStack (10); for (int i = 1; i <1e; i++) { aQue. Enqueue (i); } for (int i = 1; i <=5; i++) { astack. Push( aQue.Dequeue ()); } while(!astack . Empty ()) aQue. Enqueue (astack.Pop()); a. After the above code is executed, what is the content of the queue? (Fill in the content of aQue below) Indicate where the front and rear are located. b. What is the content of astack?Enter the name of Stock: Oracle Corporation Enter the symbol of Stock: URCL Enter the previous closing price: 34.5 Enter the current price: 34.35 Stock name: Oracle Corporation Stock symbol: ORCL Stock ID: 59 Price-change percentage: - 0.434782608695648 Challenge Question - Using GregorianCalendar and Date classes: (Use the GregorianCalendar class) Java API has the Date class and GregorianCalendar class in the java.util package, which you can use to obtain the current date with specific details like current year, current month, current day of a date and so on. Write a program to perform these tasks: 1. Display the current year, month, and day. 2. Display the current date by using the to String() method from the Date class. 3. Display the current time-which is used to display the number of milliseconds- by using getTime() method from the Date class. We will use it in the step 17. 4. - Display the current year by using get(GregorianCalendar.YEAR) method from to GregorianCale class. 5-…Enter the name of Stock: Oracle Corporation Enter the symbol of Stock: URCL Enter the previous closing price: 34.5 Enter the current price: 34.35 Stock name: Oracle Corporation Stock symbol: ORCL Stock ID: 59 Price-change percentage: - 0.434782608695648 Challenge Question - Using GregorianCalendar and Date classes: (Use the GregorianCalendar class) Java API has the Date class and GregorianCalendar class in the java.util package, which you can use to obtain the current date with specific details like current year, current month, current day of a date and so on. Write a program to perform these tasks: 1. Display the current year, month, and day. 2. Display the current date by using the to String() method from the Date class. 3. Display the current time-which is used to display the number of milliseconds- by using getTime() method from the Date class. We will use it in the step 17. 4. - Display the current year by using get(GregorianCalendar.YEAR) method from to GregorianCale class. 5-…