1 import numpy as np 2 from Interfaces import List 3 4 v class ArrayList(List): 5 ... 6 Arraylist: Implementation of a List interface using Arrays. 7 ... 8 v def _init_(self): ... init: Initialize the state (array, n and j). 10 11 12 self.n = e 13 self.j = 0 14 self.a = self.new_array (1) 15 16 v def new array (self, n : int) ->np.array: 17 ... 18 new_array: Create a new array of size n 19 Input: 20 n: the size of the new array 21 Return: 22 An array of size n 23 ... 24 return np.zeros (n, np.object) 25 26 v def resize (self): 27 ... 28 resize: Create a new array and copy the old values. 29 ... 30 pass 31 32 v def get (self, i : int) -> object: 33 get: returns the element at position i Inputs: i: Index that is integer non negative and at most n 34 35 36 37 ... 38 pass 39 40 v def set(self, i: int, x : object) -> object: 41 42 set: Set the value x at the index i 43 Inputs: 44 i: Index that is integer non negative and at most n 45 x: Object type, i.e., any object 46 47 pass 48 49 v def append (self, x : object) : 50 self.add (self.n, x) 51 52 v def add (self, i : int, x : object) : 53 ... 54 add: shift one position all the items j>=i, insert an element at position_ i of the list and increment the number of elements in the list 55 56 57 Inputs: i: Index that is integer non negative and at most n x: Object type, i.e., any object 58 59 60 ... 61 pass 62 63 v def remove (self, i : int) -> object: 64 pass 65 66 v def size(self) -> int: 67 return self.n 68 69 v def str_(self): 70 for i in range (0, self.n): s += "%r" % self.a[(i + self.j) % len (self.a)) if i < self.n-1: 71 v 72 73 v 74 75 return s + *]*

How can the performance of an ArrayList be measured?

java This method gets an Arraylist of Integers and a number(Integer). It returns an Arraylist. It removes any instance of the given number from the Arraylist. Example:   romoveInst([1,1,2,3,1,4],1)   returns: [2,3,4]   romoveInst([3,4,3,3],4)   returns: [3,3,3]   public static ArrayList<Integer> removeInst(ArrayList<Integer> r,Integer n)    public static void main(String[] args) {    Scanner in = new Scanner(System.in);    int size = in.nextInt();    int n = in.nextInt();    ArrayList<Integer> list = new ArrayList<>();    for(int i=0; i < size; i++) {      list.add(in.nextInt());    }     System.out.println(removeInst(list, n));   } }

How can an ArrayList be used?

Create a Generic Class Assignment Instructions   Overview It would be nice if we could write a single sort method to sort the elements in an Integer array, a String array or an array of any type that supports ordering (i.e., its elements can be compared). It would also be nice if we could write a single Stack class that could be used as a Stack of integers, a Stack of floating-point numbers, a Stack of Strings or a Stack of any other type. It would be even nicer if we could detect type mismatches at compile time—known as compile-time type safety. Generic methods and generic classes provide the means to create the type-safe general models mentioned above. Instructions Write a generic class Pair which has two type parameters—F and S—each representing the type of the first and second element of the pair, respectively. Add set and get methods for the first and second elements of the pair and be sure to demonstrate your setters/getters actually work. (Hint: The class header should be public…

The text's array-based list implementation stores elements in the lowest possible indices of the array. True or False screen shot shows the text's array based list

package edu.umsl.iterator;import java.util.ArrayList;import java.util.Arrays;import java.util.Collection;import java.util.Iterator;public class Main {public static void main(String[] args) {String[] cities = {"New York", "Atlanta", "Dallas", "Madison"};Collection<String> stringCollection = new ArrayList<>(Arrays.asList(cities));Iterator<String> iterator = stringCollection.iterator();while (iterator.hasNext()) {System.out.println(/* Fill in here */);}}} Rewrite the while loop to print out the collection using an iterator. Group of answer choices iterator.toString() iterator.getClass(java.lang.String) iterator.remove() iterator.next()

The two classes you will create will implement the operations defined in the interface as shown in the UML class diagram above.  In addition,  BinarySearchArray will implement a static method testBinarySearchArray() that populates the lists,  and lets the user interactively test the two classes by adding and removing elements.  The parameter BinarySearch can represent either class and tells testBinarySearchArray which class to test.   Steps to Implement:   1) To get started create a new project in IntelliJ called BinarySearch.  Add a class to your project called BinarySearchArray.  Then add another class  BinarySearchArrayList and an interface called  BinarySearch.  The interface BinarySearch includes public method stubs as shown in the diagram.   You are allowed to add BinarySearchArrayList to the same file as BinarySearch but don't add an access modifier to this class, or for easier reading, you can declare the classes in separate files with public access modifiers.   Only the class…

public class PokerAnalysis implements PokerAnalyzer {   privateList<Card>cards; privateint[]rankCounts; privateint[]suitCounts;   /** * The constructor has been partially implemented for you. cards is the * ArrayList where you'll be adding all the cards you're given. In addition, * there are two arrays. You don't necessarily need to use them, but using them * will be extremely helpful. *  * The rankCounts array is of the same length as the number of Ranks. At * position i of the array, keep a count of the number of cards whose * rank.ordinal() equals i. Repeat the same with Suits for suitCounts. For * example, if your Cards are (Clubs 4, Clubs 10, Spades 2), your suitCounts * array would be {2, 0, 0, 1}. *  * @param cards *            the list of cards to be added */ publicPokerAnalysis(List<Card>cards){ this.cards=newArrayList<Card>(); this.rankCounts=newint[Rank.values().length]; this.suitCounts=newint[Suit.values().length];…

How can the performance of an ArrayList be evaluated?