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- Computer Science create a method +addToList(o:E):void that adds the object (o) to the ArrayList referenced by the instance variable list. create a method +removeFromBackOfList():E that removes the object at the back of the ArrayList and returns it.Return an ArrayList containing the largest and smallest integer inan array. If the array is empty, return the largest andsmallest as 0. languages java please help me thanksWrite the following method that returns themaximum value in an ArrayList of integers. The method returns null if thelist is null or the list size is 0.public static Integer max(ArrayList<Integer> list)Write a test program that prompts the user to enter a sequence of numbers endingwith 0 and invokes this method to return the largest number in the input.
- getListRowIndices Method public static java.util.ArrayList<java.lang.Integer> getListRowIndices(int[][] array, int rowLength) This method returns an ArrayList with the indices of rows of the two-dimensional having a length that corresponds to rowLength. You may only use one auxiliary method. The method should create an ArrayList that is passed to the auxiliary in order to place the indices (if any). If no indices are found, an empty (size of 0) ArrayList will be returned. You can assume the array parameter will not be null and every row of the two-dimensional array has an array with a size of at least 0. Your implementation must be recursive and you may not use any loop construct. Do not use ++ or -- in any recursive call argument. It may lead to an infinite recursion. For example, use index + 1, instead of index++. Parameters: array - rowLength - Returns: ArrayList<Integer>T/F A Java main method uses the parameter (String[ ] variable) so that a user can run the program and supply“command-line” parameters. Since the parameter is a String array, however, the user does not have to supply anyparameters.In the C programming language Suppose you are given an array of integers. You want to insert a number x to the array and rearrange so that all the elements are less than or equal to x are before x, and the elements after x are greater than x. For example, suppose the list is {3, 2, 7, 0 1, 5}and x is 4, since3, 2, 0, and 1,are less than or equal to 4,7and 5 are greater than 4, the new array is {3, 2, 0, 1, 4, 7, 5}.The new array has the length of n+1 where n is the length of the input array. Example input/output #1: Enter the length of the array: 10 Enter the elements of the array: 3 5 14 03 92 8 11 Enter the number for insertion: 3 Output: 3 1 0 3 2 3 5 4 9 8 11 Example input/output #2: Enter the length of the array: 8 Enter the elements of the array: 5013 4 1 7 3 5 Enter the number for insertion: 6 Output: 5 0 4 1 356 13 7 1) Name your program arrays.c 2) Include the rearrange( ) function to rearrange the array: void rearrange(int *a, int n, int insert, int *b); a…
- public static ArrayList findExactString(String s, ArrayList myArray) { return null; } // Use the above method, findExactString, as a helper method to implement addWithoutDuplication method. The addWithoutDuplication method has the following properties: 1- It takes two arguments, a string s and an ArrayList myArray of type string. 2- It returns an integer which represents the number of occurrences of the string s in myArray while attempting to add it. 3- If myArray is null, it returns -1 4- If adds the string s to the end of the ArrayList myArray if the string s is not already there. public static int addwithout Duplication(String s, ArrayList myArray) { return -1;For JAVA Write a Java program using ArrayLists that repeatedly asks user to enter numbers. Your program should print the entered numbers and average of these numbers. If the user enters ”u”, your program should delete the last entered number from the ArrayList. If the user enteres ”r”, the program should remove all elements from the list. If the user enters ”q”, the program should terminate. Please see the example below. Hint: You can convert Strings like ”1” to integers with the following code: String str = "1"; int one = Integer.parseInt(str); OUTPUT MUST BE: Enter a number 1 Elements in arraylists:1 Average is:1.0 2 Elements in arraylists:1 2 Average is:1.5 3 Elements in arraylists:1 2 3 Average is:2.0 u Elements in arraylists:1 2 Average is:1.5 u Elements in arraylists:1 Average is:1.0 4 Elements in arraylists:1 2 Average is:2.5 5 Elements in arraylists:1 4 5 Average is:3.33333335 r ArrayList is empty 1 Elements in arraylists:1 Average is:1.0 q ByeWrite a program in Java programming language that reads an array of strings!The program should write all the strings from array that have at least one letter 'a'.
- a Java static method that will take an array of strings as its only parameter. The method will return the first string alphabetically (lowest) in the array.Create an addAll method into the LList class given below. the method should add an aray of items to the end of the list. method header: public void addAll(T[] items)1. Write a program that calls a method that takes an integer array as a parameter (you can initialize an array in the main method) and find the minimum value from the list and returns it. Partial program is given below. public class Min{ public static void main(String[] args){ int arr= System.out.print(minimum(arr)); }