Suppose that an application declares an array of class objects with the following statement: Employee[] employees = new Employee[9]; Write a loop that creates 10 instances of the class and assigns them to the elements of the array.
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Suppose that an application declares an array of class objects with the following
statement:
Employee[] employees = new Employee[9]; Write a loop that creates 10 instances of the class and assigns them to the elements
of the array.
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- 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…10. Lottery Application Write a Lottery class that simulates a lottery. The class should have an array of five integers named lotteryNumbers. The constructor should use the Random class (from the Java API) to generate a random number in the range of 0 through 9 for each element in the array. The class should also have a method that accepts an array of five integers that represent a per- son's lottery picks. The method is to compare the corresponding elements in the two arrays and return the number of digits that match. For example, the following shows the lotteryNumbers array and the user's array with sample numbers stored in each. There are two matching digits (elements 2 and 4). lotteryNumbers array: User's array: 7 4 4 2 1 3 7 3 In addition, the class should have a method that returns a copy of the lotteryNumbers array. Demonstrate the class in a program that asks the user to enter five numbers. The program should display the number of digits that match the randomly generated…Design an application that declares an array of 20 AutomobileLoan objects. Prompt the user for data for each object, and then display all the values.
- True/ False 1- Class objects can be defined prior to the class declaration. 2- You must use the private access specification for all data members of a class. 3- If an array is partially initialized, the uninitialized elements will be set to zero. 4- A vector object automatically expands in size to accommodate the items stored in it. 5- With pointer variables, you can access but not modify data in other variables. 6- Assuming myValues is an array of int values and index is an int variable, both of the following statements do the same thing. 1. cout header file. 15- To solve a problem recursively, you must identify at least one case in which the problem can be solved without recursion.Lab9C: 2D or not 2D For this exercise you will also be writing a program that will be building upon Lab9A. So please make new class file, copy, and rename the code you have already written for Lab9A. Please also rememb to rename the file and (and in the case of Java and C# students) class name to Lab9C. For this exercise, please take the array that was filled up with values and flatten it i.e., convert the 2-0 array to a 1-D array that contains the same values. Please do not just print the 2-D array to look li a 1-D array Hint: You will have to take the 2-D array's total amount of cells and make a 1-D array of the same siz Please refer to the sample output below for visualization and match its style. As always: Remember, the class name should be Lab9C. The user input is indicated in bold. Sample Output #1: Please enter the number of rows: 4 Please enter the number of columns: 4 I have 4 rows and 4 columns. I need to fill-up 16 spaces. The 4x4 array: 1|2|3|4| 5|6|7|8| 9|10|11|12|…Computer Science JAVASCRIPT .xlsx parser I need to write a public class that reads an .xlsx file and returns an array of data in javascript. The array would be all of the data inside of the file. The file itself is going to be inside of a folder(downloadedFIles) inside of my project. So the public class will need to account for that.
- True or false: All elements in an array of objects must use the same constructor.Library class: Fields: books as arraylist to store all the books available in the library B3 B1 B2 В4 B5 Constructor: Library() } : No parameterized constructor to create the books object Methods: 1. addBook(Book bookobj): to add a new book to the arraylist; send the book object as a parameter to this method. 2. searchBook(String name): search a book by a given name in the arraylist. if exits print bookX found; otherwise print not found!!! 3. RemoveBook(String name): to delete a book object from arraylist by a given name: Hint: you need to use iterator class and remove method. Book class: Fileds: bookld, bookname. Constructor: two parameterized constructor that accepts name a parameter Book(int ID, String name) ..... Methods: 1. Accessor method to return the name of the book 2. Mutator method to change the id of the book. Use this Main method: in your program: public static void main(String args[]) { Library lib=new Library(); lib.addBook(new Book("b1")); lib.addBook(new Book("b2"));…C# Windows Application Tic-Tac-Toe Simulator- Create an application that simulates a game of tic-tac-toe. Figure 7-49 shows an example of the application’s form. The form shown in the figure uses eight large Label controls to display the Xs and Os. The application should use a two-dimensional int array to simulate the game board in memory. When the user clicks the New Game button, the application should step through the array, storing a random number in the range of 0 through 1 in each element. The number 0 represents the letter O, and the number 1 represents the letter X. The form should then be updated to display the game board. The application should display a message indicating whether player X won, player Y won, or the game was a tie.
- Tic Tac Toe SimulatorCreate a GUI application that simulates a game of tic tac toe. Figure 13-35 shows an example of the application’s window. The window shown in the figure uses nine large JLabelcomponents to display the Xs and Os.One approach in designing this application is to use a two-dimensional int array to simulatethe game board in memory. When the user clicks the New Game button, the applicationshould step through the array, storing a random number in the range of 0 through 1 in eachelement. The number 0 represents the letter O, and the number 1 represents the letter X. TheJLabel components should then be updated to display the game board. The application shoulddisplay a message indicating whether player X won, player Y won, or the game was a tie.After "sorting" a 2D array, we can easily obtain the largest and the smallest elements of a 2D array. Let us look at the following analysis: Given 2D 273 367 680 293 358 150 593 654 135 681 465 51 65 647 612 412 151 432 765 265 54 492 502 665 Sarted row 2D 150 273 293 680 465 612 502 367 358 593 65 654 135 432 492 681 647 765 665 51 54 265 151 412 Tranpose of 2D 358 51 54 265 412 492 502 665 150 593 273 654 680 681 647 65 135 465 151 432 612 765 293 367 Sorted row 2D again 51 150 273 465 647 65 135 293 367 151 432 502 665 54 265 358 593 654 680 765 412 492 612 681 You can see in the above display, we first sort each row of the 2D array; we then take the transpose of a two D all the row elements becoming the column elements; we then sort each row of the 2D again. If you read the final array, each row is sorted; each column is also sorted. The smallest element obviously is the 1st element of the two D array and the last element is the largest element of a two D array. array, i.e., Let us…WorkArea 1st object 2nd object 3rd object 1- Write the code that declares an array of Rectangle objects, called rectangles, and stores in it three objects with the following data: length width 20 25 30 10 15 30 Area of object 1: 200 Area of object 2: 375 Area of object 3: 900 Interactive Session ? 2- Write the code of a for loop that displays the areas of n objects from the rectangles array you declared in the previous task. The output of the for loop. when n = 3, should look like this: Note: Make sure to use the integer n in your for loop. Workbench Additional Notes: Regarding your code's standard output, CodeLab will ignore case errors and will ignore whitespace (tabs, spaces, newlines) altogether. Visible newlines 0 00 0? 0! 0x 1- Visible whitespace MacBook Air Display stdin ✔Display stdout Mill
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