Assume that list1 is an object of class type ArrayList of Java (similar to KWArrayList class) and it has the following values: "H" "E" "L" "L" "O" the instruction list1.set(2, list1.remove(0): will change the list to
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- PythonTrace insertion sort for list ={18,57,8,89,7}Lab 14.1 Beginning to build an Arrazlizt recursively In this sequence of problems we practice recursion by abandoning our reliance on iteration. We resolve to solve a sequence of problems without using while or for loops. Instead we will think recursively and look at the world through a different lens. Recursion is all about solving a large problem by using the solution to a similar smaller problem. The brilliant thing about recursion is that you can assume you already know how to solve the smaller problem. The goal is to demonstrate how the smaller solution relates to the larger problem at hand. For example, suppose you want to print all binary strings of length 3 and you already know how to print all binary strings of length 2. Here they are: 00 01 10 11 How can we solve the larger problem with a list of strings of length 2? Add a "0" or "1", right? So here is the solution to the larger problem: 00 + 0 = 000 01 + 0 = 010 10 + 0 = 100 11 +0 = 110 and 00 + 1 = 001 01 + 1 = 011 10 + 1 =…
- Writing a program that helps to enter patients information:● Write a class patientInfo which contains the following data and methods:• Data:PatientName (String).PatientID (int).• Methods:Getter and Setter for each data item.toString method.● Display this menu:1:Merging two Single Linked List structure type2:Merging two Stacks data structure type3:Merging two Queses data structure type4:Merging Single Linked List with Stack to Linked List5:Merging Single Linked List with Queue to Linked List6:Merging Singly Linked List with Stack only Patient’s name that start with S to Queue● Ask the user to choose the data structure type from a given list to be merged.If you choose any of the above options:1.You must request [the size of data structures and patient information] from the user.2. Print the data structure before the merge.3. Print data structure after the merge.1- A new static method with one parameter which is a head node for a linked list of integers, the method should create a new linked list which is equivalent to the original list of integers but with all repetitions removed, the method's return value is a head reference for the new list. this is what I have but it's not removing repetitions. public static IntLinkedBag removeRepetition (IntLinkedBag b1) { IntNode next; IntNode head = null; LinkedList<Integer> s = new LinkedList<>(); IntNode new_list = new IntNode(0, null); IntNode now = head; IntNode prev = new_list; while (now!= null) { int x = now.data; if (s.contains(x)) { new_list = new_list.next; } else { s.add(x); new_list.next = new IntNode(x, now); new_list = new_list.next; } now = now.next; } return b1; } }…what are the prerequisites of an interface and why what you explain here aligns .
- Question 5.1 Write a Python program that creates an unordered, singly-linked list consisting of 8 items. Each item in the linked list should be a number. You can use the code given in the lecture slides for your Node and UnorderedList classes. Your node class should contain the following functions: • a constructor • get_data() – returns the data in the node • get_next() – returns the next node in the list set_data() – sets the data in the node to the value given as a parameter set_next() – sets the node that this node links to, to the node given as a parameter Your UnorderedList class should contain the following functions: • a constructor • add() – adds a node to the head of the list, containing the number given in the parameter • is_empty() – returns True if the list is empty, and False otherwise • size() – returns the size of the list • print_list() – displays the contents of all nodes in the list Add code to create an UnorderedList object, and call its add() function to add 8 items…Use an array and two index variables. Write functions or methods push, pop, and sizeof. Then write a main function or method that will allocate the stack at n=10 and push some strings in ii, print out the size, and then pop some strings from it. Note make stack be be able to hold string variable type. javaConsider the following class that inherits from the built-in list class: class BoundedList (list): def _init_(self, bound): list._init_(self) self.bound = bound Suppose that we want this class to act like a list, except that when append is called, if there are self.bound items in the list already, the first item in the list gets removed. Which of the following methods will properly overload append to work this way? def append(self, item): if len(self) >= self.bound: self.pop(0) list.append(self, item) def append (self, item): if len(self) >= self.bound: self.remove (0) list. append (self, item) def append(self, item): if len(self) >= self.bound: self.pop(0) self.append (item) def append(self, item): list. append (self,item) if len(self) > self.bound: self.pop(0)
- Instructions Write a program to test various operations of the class doublyLinkedList. Your program should accept a list of integers from a user and use the doubleLinkedList class to output the following: The list in ascending order. The list in descending order. The list after deleting a number. A message indicating if a number is contained in the list. Output of the list after using the copy constructor. Output of the list after using the assignment operator. An example of the program is shown below: Enter a list of positive integers ending with -999: 83 121 98 23 57 33 -999 List in ascending order: 23 33 57 83 98 121 List in descending order: 121 98 83 57 33 23 Enter item to be deleted: 57 List after deleting 57 : 23 33 83 98 121 Enter item to be searched: 23 23 found in the list. ********Testing copy constructor*********** intList: 23 33 83 98 121 ********Testing assignment operator*********** temp: 23 33 83 98 121 Your program should use the value -999 to denote the end of the…This is using Data Structures in Javajava In this assignment you will swap a position in an array list with another. swap() gets 3 arguments, an Arraylist, a position, and another position to swap with. Example swap(["one","two","three"],0,2) returns:["three","two","one"] public static ArrayList<String> swap(ArrayList<String> list,int pos1,int pos2) public static void main(String[] args) { Scanner in = new Scanner(System.in); int size = in.nextInt(); int pos1 = in.nextInt(); int pos2 = in.nextInt(); ArrayList<String> list = new ArrayList<>(); for(int i=0; i < size; i++) { list.add(in.next()); } System.out.println(swap(list, pos1, pos2)); } }