Consider the following method: public static void whoAmI(ArrayList list) { for (int i = 0; i < list.size(); i++) { int element = list.get(i); list.remove(i); list.add(0, element + 1); System.out.println(list); }
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- public class ShoppingListDriver{ public static void main(String[] args){ ShoppingList sl=new ShoppingList(3);sl.insert(null);sl.insert(new Item("Bread", "Carb Food", 2, 2.99));sl.insert(new Item("Seafood","Sea Food", -1, 10.99));sl.insert(new Item("Rice", "Carb Food",2, 19.99));sl.insert(new Item("Salad Dressings","Dessing", 2, 19.99));sl.insert(new Item("Eggs", "Protein",2, 3.99));sl.insert(new Item("Cheese","Protein", 2, 1.59));sl.insert(new Item("Eggs", "Protein",3, 3.99));sl.printNames();sl.print(); System.out.println("After removing Eggs:");sl.remove(new Item("Eggs","Protein",0,0));sl.printNames();sl.print(); }}Write the following method that shuffles an ArrayList:public static <E> void shuffle(ArrayList<E> list)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;
- Write the following method that returns the sum of all numbersin an ArrayList:public static double sum(ArrayList<Double> list)Write a test program that prompts the user to enter five numbers, stores them inan array list, and displays their sum.void listEmployees (void) { for (int i=0; i 10000. Make a guess about why the comparison function takes 2 struct Employee parameters (as opposed to struct Employee *) **Code debug import java.util.ArrayList;public class ArrayList {public static ArrayList<Integer> reverse(ArrayList<Integer> list) {for (int i = 0; i < list.size(); i++) {System.out.println(list);}public static ArrayList<Integer> getReverse(ArrayList<Integer> list){for (int index = 0; index < list.size() / 2; index++) {int temp = list.get(index);list.set(index, list.get(list.size() - index - 1));//swaplist.set(list.size() - index - 1, temp); //swap}return list;}}public static void main(String[] args) {ArrayList<Integer> list = new ArrayList<>();list.add(1);list.add(2);list.add(3);System.out.println("Original elements : " + list);System.out.println("Reversed elements : " + getReverse(list));}}
- How can an ArrayList be used?PROBLEM STATEMENT: In this problem you will need to insert 5 at the frontof the provided ArrayList and return the list. import java.util.ArrayList;public class InsertElementArrayList{public static ArrayList<Integer> solution(ArrayList<Integer> list){// ↓↓↓↓ your code goes here ↓↓↓↓return new ArrayList<>(); Can you help me with this question The Language is Javaimport java.util.*;class Arraylist{public static void main(String args[]){ArrayList obj = new ArrayList();obj.add("A");obj.add("B");obj.add("C");obj.add(1, "D");System.out.println(obj);}} What will the given code prints on the output screen.
- Write 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.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.public static void reverse(ArrayList<Integer> alist){}public static ArrayList<Integer> reverseList(ArrayList<Integer> alist){} How to use these two headers method and a main method to create the output of [1,2,3] [3,2,1]