Create a java program with a Class FindArray that will try to iterate in the array displaying the content in each index. The program should be able to catch an ArraylndexOutOfBoundsException, a NullPointerException and a RunTimeException.
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- 1. Copy some text from a news article, paste it in the Notepad++ editor and save it in a textfile named testtext.txt;2. Write a Java program to read the words in the text file into an ArrayList object,display the information about how many words there are in the text file, and display thewords in the order they appear in the text file. Then sort the array and display the sortedarray. Take a screenshot of the output window.3. Submit your text file, the screenshot, and the Java source code file2. Create a Quiz class with id and mark. Now write a program that reads a file containing records of Quiz objects and initialize an array. The program should then print all the objects in the Quiz array and print the id of the student who obtained the highest mark. Sample File: 113098 20 115089 15 345678 12 234566 18 Program Output: ID:113098 mark:20 ID:115089 mark: 15 ID:345678 mark:12 ID:234566 mark: 18 Highest mark obtained by ID:113098write a cilent program for a class that reads up to 100 data of charter flights from the file whose name is obtained form the user, stores them in an array, then displays all the records along with the revenue amounts, and then allows the user to search and display charter flights by the name of the buyer, until user enters a sentinel.
- Write a piece of Java that prompts the users for a text file name creates a scanner for the file and then reads Perishable Products from the file into an array called inventory.Write a Java program named Occurrence that asks the user to enter 10 integer numbers and store them in an array. Then it should ask the user to enter an integer number (x) using an appropriate message. Then it should count and display the occurrences of the entered number (x) in the array.package filterSort;import java.io.File;import java.io.FileNotFoundException;import java.util.Arrays;import java.util.Scanner;import java.util.*; public class FilterSort { /*** Allocates and returns an integer array twice the size of the one* supplied as a parameter. The first half of the new array will* be a copy of the supplied array and the second half of the new* array will be zeros.** @param arr the array to be copied* @return array twice the size of <tt>arr</tt> with its initial* elements copied from <tt>arr</tt>* @throws NullPointerException if <tt>arr</tt> is null.*/public static int[] doubleArrayAndCopy(int[] arr) {int len = arr.length;int max = arr.length * 2;int[] copyArr = Arrays.copyOf(arr,max);int length = copyArr.length-1;Arrays.sort(copyArr, 0, length);return copyArr; } public static void main(String[] args) {int[] data = new int[8];try {File file = new File("data.txt");Scanner myReader = new Scanner(file);for(int i = 0;…
- 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.Develop a program that will do the following using Java and Javaclasses of Filewriter and Arraylist: The program has the interface[A] Add[D] Delete[U] Update[S] Search[X] Exit Select Operation: A You are about to add a user. Enter the First name:Enter the Last name:Enter the username:Enter password: The user has been successfully added. Do you wish to do another operation? [Y/N]: Y ---------------------------------------------------------------------------------------------- [A] Add[U] Update[S] Search[D] Delete[X] Exit Select Operation: U You are about to update user information. Search ID: 3 User information:First name: GeraldLast name: MorenoUsername: igeraldPassword: egerald Enter new username: asxsEnter new password: erdasdfr Username and Password have been updated successfully. Do you wish to do another operation? [Y/N]: Y ---------------------------------------------------------------------------------------------------------- [A] Add[U] Update[S] Search[D] Delete[X] Exit Select…Create a Java program with a method that searches an integer array for a specified integer value (see help with starting the method header below). If the array contains the specified integer, the method should return its index in the array. If not, the method should throw an Exception stating "Element not found in array" and end gracefully. Test the method in main with an array that you make and with user input for the "needle".public static int returnIndex(int[ ] haystack, int needle) {
- Given an array of 10 names, complete the main method that outputs the name specified by the array index entered by the user. Use a try block to output the name and a catch block to catch any ArrayIndexOutOfBoundsException. Output the message from the exception object if an ArrayIndexOutOfBoundsException is caught. Output the first element in the array if the index is negative or the last element if the index is greater than the size of the array. Hint: Format the exception outputs using the getMessage() method from the exception object. Do not hard code the exception messages. Ex: If the input of the program is: 5 the program outputs: Name: Jane Ex: If the input of the program is: 12 the program outputs: Exception! Index 12 out of bounds for length 10 The closest name is: Johnny Ex: If the input of the program is: -2 the program outputs: Exception! Index -2 out of bounds for length 10 The closest name is: Ryley import java.util.Scanner; public class LabProgram { public static void…Test your Baby class by writing a client program which uses an array to storeinformation about 4 babies. That is, each of the four elements of the arraymust store a Baby object If you have an array for baby names and another array for baby ages,then you have missed the point of the exercise and therefore not metthe requirement of this exercise. A Baby class object stores the required information about a Baby. Soeach Baby object will have its own relevant information, and thus eachobject must be stored in one element of the array.The client program should:a. Enter details for each baby (name and age) and thus populate theBaby arrayb. Output the details of each baby from the array (name and age)c. Calculate and display the average age of all babies in the arrayd. Determine whether any two babies in the array are the sameAs the required information for these tasks is stored in the Baby array, youwill need to use a loop to access each array element (and use the dot notationto access the…Test your Baby class by writing a client program which uses an array to storeinformation about 4 babies. That is, each of the four elements of the arraymust store a Baby object If you have an array for baby names and another array for baby ages,then you have missed the point of the exercise and therefore not metthe requirement of this exercise. A Baby class object stores the required information about a Baby. Soeach Baby object will have its own relevant information, and thus eachobject must be stored in one element of the array.The client program should:a. Enter details for each baby (name and age) and thus populate theBaby arrayb. Output the details of each baby from the array (name and age)c. Calculate and display the average age of all babies in the arrayd. Determine whether any two babies in the array are the sameAs the required information for these tasks is stored in the Baby array, youwill need to use a loop to access each array element (and use the dot notationto access the…