(Geometry: inside a rectangle?) Write a
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- (Implement MyLinkedList) The implementations of the methods contains(E e), get(int index), indexOf(E e), lastIndexOf(E e), and set(int index, E e) are omitted in the MyLinkedList class. Implement these methods. Define a new class named MyLinkedListExtra that extends MyLinkedListto override these methods. Test your new MyList class using the code at import java.util.*; public class Exercise24_02 { public static void main(String[] args) { new Exercise24_02(); } public Exercise24_02() { String[] names = {"Tom", "Susan", "Kim", "George", "Peter", "Jean", "George", "Jane", "Denise", "Jenny", "Susan", "Kathy", "Jane"}; MyList<String> list = new MyLinkedListExtra<>(names); System.out.println(list); Scanner input = new Scanner(System.in); System.out.print("Enter a name: "); String name = input.next(); System.out.print("Enter an index: "); int index = input.nextInt(); System.out.println(name + " is in the list? " +…arrow_forward1.A) The median of a set of integers is the middle-most integer in size. That is, half the integers in the set are less than or equal to the median, and half the integers are greater than or equal to the median. For example, the median of {99, 1, 10, 6, 2} is 6 since 1 and 2 are smaller than 6 and 10 and 99 are larger than 6. Implement a method median( ) with no parameters that finds and returns the median of the integers in a data array. Use this keyword in meaningfully. Assume that the data array is an instance variable of Data class. Write a parameterized constructor to allocate and assign values to data array. Assume that the array has odd length. Write main () in a separate class constructor to use the Data class.arrow_forwardPython Lab: Dr.D has invented yet another invention: the hateinator. He wants to test it on a group of N people (numbered 1 through N). The hateinator may be used any number of times; to use it once, Dr.D should divide these N people into two groups and press the fire button on the hateinator. We call each such grouping a Doofish set. Afterwards, there will be hatred between each two people who were in different groups. The hatred does not disappear ― any two people that hate each other before the hateinator is used still hate each other afterwards. The hateinator uses a lot of power. Let's denote the number of times it is used by K. Then, it consumes K⋅N units of power. Dr.D cannot afford to use the hateinator if this number exceeds 106. Dr.D has done the math and computed the most evil hatred system: a situation with some M pairs of people who hate each other. You are given these pairs. There must not be any other pair of people who hate each other. Initially, there is no hatred…arrow_forward
- Main ().!arrow_forwardLab Goal : This lab was designed to teach you more about recursion. Lab Description : Take a string and remove all occurrences of the word chicken and count how many chickens were removed. Keep in mind that removing a chicken might show a previously hidden chicken. You may find substring and indexOf useful. achickchickenen - removing the 1st chicken would leave achicken behindachicken - removing the 2nd chicken would leave a behindSample Data : itatfunitatchickenfunchchickchickenenickenchickchickfunchickenbouncetheballchickenSample Output : 01302arrow_forwardExamine the code below: t = (1,) Rewrite the line of code to unpack the tuple.arrow_forward
- Write Java code for the following: a. Create an Arraylist that can hold Integer objects. b. Check and display whether the Arraylist is empty or not. C. Add an element 50 into the Arraylist. d. Add another element 60 in the position of 0 in the Arraylist. e. Replace the element to 70 in index 1.arrow_forwardBelow is the specs and my main method. (ignore add and remove method for now) Specs: Part 1 - Tweet Bot To start analyzing tweets, we first need to read in and manage the state of tweets. To do this, create a class called TweetBot. A TweetBot should have the following constructor and methods: Constructor public TweetBot(List<String> tweets) Given a List of tweets, initialize a tweet list containing all tweets from the given collection. Note that you should not initialize your tweet list to the given List reference. You should create a new data structure and copy over all of the tweets from the given List, leaving the given List unmodified after the constructor is finished executing. Throws an IllegalArgumentException if the size of the given collection is less than 1. You may assume the given collection contains only non-empty and distinct strings. Methods public int numTweets() Returns the number of tweets currently in the tweet list. public void addTweet(String tweet) Adds the…arrow_forward(Sort ArrayList) Write the following method that sorts an ArrayList: public static <E extends Comparable<E>> void sort(ArrayList<E> list) Write a test program that prompts the user to enter 10 integers, invokes this method to sort the numbers, and displays the numbers in increasing order. Sample Run Enter 10 integers: 3 4 12 7 3 4 5 6 4 7 The sorted numbers are 3 3 4 4 4 5 6 7 7 12 Class Name: Exercise19_09arrow_forward
- Question 4 Write Java code for the following: a. Create an Arraylist that can hold Integer objects. b. Check and display whether the Arraylist is empty or not. c. Add an element 50 into the Arraylist. d. Add another element 60 in the position of 0 in the Arraylist. e. Replace the element to 70 in index 1.arrow_forwardApplication "networkx" library is used for implementing graphs. Draw a graph using this library in python. (Hint: use 'add_node()", 'add_edge()' functions to draw edges and nodes). Construct the graph shown in figure using python language. Also, plot the graph using matplotlib library, Traverse the graph using DFS, and output the DFS order. 2arrow_forward1. (Store numbers in a linked list) Write a program that lets the user enter numbers and displays numbers as described below. Use a linked list to store the numbers. Do not store duplicate numbers. Add the methods Sort, Shuffle, and Reverse to sort, shuffle, and reverse the list in the application class (driver class).arrow_forward
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