8. Complete the method public ArrayList removeLenN (ArrayList list, int n), that removes all Strings with a length of n. Remember, the size of an ArrayList is dynamic - if you remove an element, the size of the list will shrink!
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how would you do this in a simple way? this is for a non graded practice lab
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- java Write a program to do the following: Create an ArrayList of Student. Add 7 elements to the ArrayList. Use for each loop to print all the elements of an ArrayList. Remove an element from an ArrayList using the index number. Remove the element from an ArrayList using the content (element name).If N represents the number of elements in the collection, then the contains method of the ArrayCollection class is O(1). True or False If N represents the number of elements in the list, then the index-based add method of the ABList class is O(N). True or FalseIn this assignment, you will compare the performance of ArrayList and LinkedList. More specifically, your program should measure the time to “get” and “insert” an element in an ArrayList and a LinkedList.You program should 1. Initializei. create an ArrayList of Integers and populate it with 100,000 random numbersii. create a LinkedList of Integers and populate it with 100,000 random numbers2. Measure and print the total time it takes to i. get 100,000 numbers at random positions from the ArrayList 3. Measure and print the total time it takes to i. get 100,000 numbers at random positions from the LinkedList 4. Measure and print the total time it takes to i. insert 100,000 numbers in the beginning of the ArrayList 5. Measure and print the total time it takes to i. insert 100,000 numbers in the beginning of the LinkedList 6. You must print the time in milliseconds (1 millisecond is 1/1000000 second).A sample run will be like this:Time for get in ArrayList(ms): 1Time for get in…
- Suppose that you want an operation for the ADT list that adds an array of items to the end of the list. The header of the method could be as follows: public void addAll( T[ ] items) Write an implementation of this method for the class LinearLinkedListGiven an ArrayList called myAL that contains the following: ["blue", "red", "yellow"] write code to insert the elements "purple" and "orange" that keeps the list in alphabetical order.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.
- You will be given an ArrayList of Integers. This ArrayList will have at least 2 items. Starting with the second string in the list, remove it if the string before it comes first alphabetically. Then print the ArrayList. You cannot change the method header! public ArrayList<String> removeStrings(ArrayList<String> arrList) { return null; // Return the ArrayList as well as printing it. }Implement the following method where: 1. String s is a given string 2. myArray is an array list that contains strings 3. The method findExactString will take the string s and the arraylist myArray and return an arraylist that contains the indices of all strings in myArray that matches the string s. If the reference to the string is null and the reference to the string inside the array is also null, string s is considered to be a equal to the string in arraylist. public static ArrayList findExactString(String s, Arraylist myArray) { return null;There are two different methods you to add a range to an ArrayList.These methods are AddRange and InsertRange.implement a c# program to demonstrates how these two methods are used:
- 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;You will be given an ArrayList of Strings. These strings will be words with at least one character. Replace every vowel in these strings with an asterisk (*), remove any entry that originally contains no vowels, and then sort the list alphabetically from a-z. You MUST use the following method header. public ArrayList replaceVowelsAndSort(ArrayList arrList) { return null; } a asadProject Description: In this project you implement an ArrayStack ADT and use the stack for implementing the following methods: a) Reverse an array of Words: Accept an array of words as input parameter and return an array of words in reverse order. Use the method signature: public static String[] reverseWords (String[] wordList) Example Input: Bird Cat Dog Elephant Output: Elephant Dog Cat Bird