1. TestScores Class Vrite a class named TestScores. The class constructor should accept an array of t s its argument. The class should have a method that returns the average of the to any test score in the array is negative or greater than 100, the class should llegalArgumentException. Demonstrate the class in a program.
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- Write a class named StockPrice. The class constructor should accept an array of stock prices as its argument. The class should have a method that returns the average of the stock prices. If any stock prices in the array is at least 300, the class should throw an IllegalArgumentException.Challenge 3: Scores.java and TestScores.java Implement a Scores class. The class constructor should accept an array of scores as its argument. The class should have a method that returns the average of the scores. If any score in the array is negative or greater than 100, the class should throw an IllegalArgumentException. Implement a TestScores class that creates an array and fills it with numbers given by the user. It should catch the exception thrown when the user enters an illegal value.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…
- Task #1 Average Class-Create a class called Average according to the UML diagram. Average: -data [ ] :int -mean: double +Average( ): +calculateMean( ): void +toString( ): String +selectionSort( ): void This class will allow a user to enter 5 scores into an array. It will then rearrange the data in descending order and calculate the mean for the data set. Attributes: -data [ ]— the array which will contain the scores -mean — the arithmetic average of the scores Methods: -Average — the constructor. It will allocate memory for the array. Use a for loop to repeatedly display a prompt for the user which should indicate that user should enter score number 1, score number 2, etc. Note: The computer starts counting with 0, but people start counting with 1, and your prompt should account for this. For example, when the user enters score number 1, it will be stored in indexed variable 0. The constructor will then call the selectionSort and the calculateMean methods. calculateMean — this is a…Create an object called GSSArray. (It stands for growable self-sorting array)This object will manage an array of type int. Create a private variable for an array of type int. In the constructor for this object, take in an int value which will determine the starting size of the array. The constructor should also instantiate the array.Create a public method called insert, which will take in an int and find the location in the array where it belongs and insert it there. If the array is full, then before inserting the value, method insert should call private method increaseSize, which will create a new array which is double the size of the current array. Then it will copy the values from the original array into the new array and set the private variable to this new array.The array should keep track of how many of its indexes are filled. Create a private variable called lastindex which will be equal to the last index of the array that has a value.Create a public method delete, which will…Using jGRASP please write this code You are writing a program to convert Ounces to Grams for 3 different measurements of Ounces. Create a class called ConversionsOunces that contains the following: a data member for an array to hold 3 different measurements in Ounces. a constructor that accepts a parameter for an array that stores the 3 different measurements in Ounces a method that calculates the total Ounces input for the 3 different measurements of Ounces a method that calculates the total Grams by converting the total Ounces to total Grams. To convert Ounces to Grams, multiply total Ounces by a factor of 28.35 Create a program called ConversionsOuncesDemo that references the ConversionsOunces class that contains the following: an array to store the 3 different measurements in Ounces input by the user a for loop that prompts the user to enter the Ounces to be converted so that the user can input 3 different measurements of Ounces create an object that represents the Ounces…
- Java Code Write a program in which you create a class called TextFileReader. The TextFileReader class must contain an instance variable consisting of an array of Strings 100 elements long. TextFileReader should have two constructors: a default constructor and a constructor that takes a String argument, which represents the name of a text file to be opened and read into the array of Strings. The first (default) constructor does not really do anything. If the second constructor is used, it will open the file and read the contents of the file into the array of Strings as follows: fill the array by having your program read one line of the file into each string until you have filled the array. Once the array is full, you may stop reading the input file. Add a member function contents(), which will convert the array of Strings into a single StringBuffer, which is then returned to the calling program so that it may be displayed. Add a second member function display(), which prints the array…(TicTacToe Class) Create a class TicTacToe that will enable you to write a complete programto play the game of tic-tac-toe. The class contains as private data a 3-by-3 two-dimensional arrayof integers. The constructor should initialize the empty board to all zeros. Allow two human players.Wherever the first player moves, place a 1 in the specified square. Place a 2 wherever the second player moves. Each move must be to an empty square. After each move, determine whether the gamehas been won or is a draw. If you feel ambitious, modify your program so that the computer makesthe moves for one of the players. Also, allow the player to specify whether he or she wants to go firstor second. If you feel exceptionally ambitious, develop a program that will play three-dimensionaltic-tac-toe on a 4-by-4-by-4 board. [Caution: This is an extremely challenging project that couldtake many weeks of effort!]Write code for PersonManagement class. This class contains the array of Person class (code is given below) and also following methods: set: This method receives the array of person class and set the attribute. displayAll: This method will display values of all persons. sort: This method will sort the array according to age values of the persons with ascending order using Selection Sort. reverse: This method will reverse the order of the array. getPersons: This method will return the array of the persons (attribute). displayEvenAgePerson: This method will display all those persons values who have even age. displayOddAgePerson: This method will display all those persons values who have odd age. displayPrimeAgePerson: This method will display only those persons values who have prime number age. Following is the class of Person: public class Person { private String Name; public int age; public void set(String Name, int age) { this.Name =…
- Write code for PersonManagement class. This class contains the array of Person class (code is given below) and also following methods: set: This method receives the array of person class and set the attribute. displayAll: This method will display values of all persons. sort: This method will sort the array according to age values of the persons with ascending order using Selection Sort. reverse: This method will reverse the order of the array. getPersons: This method will return the array of the persons (attribute). displayEvenAgePerson: This method will display all those persons values who have even age. displayOddAgePerson: This method will display all those persons values who have odd age. displayPrimeAgePerson: This method will display only those persons values who have prime number age.Create a class named Taxpayer. Data fields for Taxpayers include Social Security number(use an int for the type, and do not use dashes within the Social Security number) and yearly gross income. Methods include a constructor that requires values for both data fields, and two get methods that return each of the data field values. B。 Write a program that declares an array of 10 Taxpayer objects. Set each Social Security number to 999999999 and each gross income to zero. Display the 10 Taxpayer objects C. Modify your program so each Taxpayer has a successive Social Security number from 1-10 and gross incomes that range from 10000 to 100000, increasing by 10000 for each successive Taxpayer.This assignment utilizes a class in an application that might be useful in the “real world.” It requires the sorting of, and computation with, data involving temperatures. Requirements: You are working for a meteorologist to maintain a list of temperatures and some related statistics for a month. Class and Data members: Create a class called Temperature that stores temperature readings (integers) in a vector (do not use an array). The class should have data members that store the month name and year of when the temperature readings were collected. Constructor(s): The class should have a 2-argument constructor that receives the month name and year as parameters and sets the appropriate data members to these values. Member Functions: The class should have functions as follows: Member functions to set and get the month and year variables. A member function that adds a single temperature to the vector. Both negative and positive temperatures are allowed. Call this…