Create a graph class using an adjacency list from scratch in Java. Can not use the util library
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Create a graph class using an adjacency list from scratch in Java. Can not use the util library
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- Use a SinglyLinked List to implement a Queuea. Define a Queue interface.b. Define a LinkedQueue class (Node class)..c. Define a Test class to test all methods please help me make a test class first code package LinkedQueue; import linkedstack.Node; public class SLinkedList<E> { private Node <E> head = null; private Node <E> tail = null; private int size = 0; public SLinkedList() { head = null; tail = null; size = 0; } public int getSize() { return size; } public boolean isEmpty() { return size == 0; } public E getFirst() { if(isEmpty()) { return null; } return head.getElement(); } public E getLast() { if(isEmpty()) { return null; } return tail.getElement(); } public void addFirst(E e) { Node<E> newest = new Node<>(e, null); newest.setNext(head); head = newest; if(getSize()==0) { tail = head; } size++; } public void addLast(E e) { Node<E> newest = new Node<>(e, null); if(isEmpty()) { head = newest; } else {…Add missing code to turn this class a singleton in Java package com.gamingroom; import java.util.ArrayList;import java.util.List; /** * A singleton service for the game engine */public class GameService { /** * A list of the active games */ private static List<Game> games = new ArrayList<Game>(); /* * Holds the next game identifier */ private static long nextGameId = 1; // FIXME: Add missing pieces to turn this class a singleton /** * Construct a new game instance * * @param name the unique name of the game * @return the game instance (new or existing) */ public Game addGame(String name) { // a local game instance Game game = null; // FIXME: Use iterator to look for existing game with same name // if found, simply return the existing instance // if not found, make a new game instance and add to list of games if (game == null) { game = new Game(nextGameId++, name); games.add(game); } // return the new/existing game instance to the caller return…Draw a class diagram that shows how to use JCF class ArrayList, LinkedList, and Iterator using a UML drawing tool.
- Use a SinglyLinked List to implement a Queuea. Define a Queue interface.b. Define a LinkedQueue class (Node class)..c. Define a Test class to test all methods help me make a test class first code package LinkedQueue; import linkedstack.Node; public class SLinkedList<E> { private Node <E> head = null; private Node <E> tail = null; private int size = 0; public SLinkedList() { head = null; tail = null; size = 0; } public int getSize() { return size; } public boolean isEmpty() { return size == 0; } public E getFirst() { if(isEmpty()) { return null; } return head.getElement(); } public E getLast() { if(isEmpty()) { return null; } return tail.getElement(); } public void addFirst(E e) { Node<E> newest = new Node<>(e, null); newest.setNext(head); head = newest; if(getSize()==0) { tail = head; } size++; } public void addLast(E e) { Node<E> newest = new Node<>(e, null); if(isEmpty()) { head = newest; } else {…I am having trouble determining time complexity when it comes to finding the runtime of a method or function. I need to know what the runtime for the following methods are. Any further explanation would also be helpful. All of these methods are dealing with a binary search tree in java. 1. public String getAllValues() - return a String that contains the elementsof the tree in ascending order. All elements are separated by a space. 2. public int numberNodes() - return the total number of nodes in the tree. 3. public void insertList(int[] list) - insert all of the values from list intothe tree. Note: My Method just goes through an array calling working insert() method on all the values in the list[] array. 4. public int removeLessThan(int value) - this method removes all integers strictly less than value from the tree. It also returns the number of nodes itremoved. Note: In this method I first call a method to count nodes less than I call another method to recursively remove by…a) Complete the program dependence graphs for the program shown above and 1. Add edges for data dependences in all graphs. 2. Combine the individual SDGs. In particular, you need to add call edges from the call sites tothe invoked method entry node, parameter-in edges from the actual parameters to the formalparameter nodes, and parameter-out edges from the return value ($ret) to the node where theresult is used or from the fields of objects that constitute a side-effect. 3. Add Summary Edges that summarize the effect of parameters on the result. Any summary edgesymbolizes a parameter that has a directed path from its parameter edge to the return value ofthe respective function invocation. b) Determine the 2-phase (context-sensitive) slice of the second call to println(o.get()). Which nodesare marked in the first phase, which in the second?
- I need help on writing a interface using python Tkinter where a user can draw graph data structure. It should look like a typical graph with circles for vertices and straight edges betweenthe vertices. The graph should be stored in a Python dictionary. Please help. Only Python tkinter is allowed to useConsider the instance variables and constructors. Given Instance Variables and Constructors: public class SimpleLinkedList<E> implements SimpleList<E>, Iterable<E>, Serializable { // First Node of the List private Node<E> first; // Last Node of the List private Node<E> last; // Number of List Elements private int count; // Total Number of Modifications (Add and Remove Calls) private int modCount; /** * Creates an empty SimpleLinkedList. */ publicSimpleLinkedList(){ first = null; last = null; count = 0; modCount = 0; } ... Assume the class contains the following methods that work correctly: public boolean isEmpty() public int size() public boolean add(E e) public E get(int index) private void validateIndex(int index, int end) Complete the following methods based on the given information from above. /** * Adds an element to the list at the…Given the linked list data structure, implement a sub-class TSortedList that makes sure that elements are inserted and maintained in an ascending order in the list. So, given the input sequence {1,7,3,11,5}, when printing the list after inserting the last element it should print like 1, 3, 5, 7, 11. Note that with inheritance, you have to only care about the insertion situation as deletion should still be handled by the parent class.
- can you help me to draw the flow chart for the java code: import java.util.Scanner;class BinoNode {int data;int numNodes;BinoNode arr[];public BinoNode(int k) {data = -1;numNodes = k;arr = new BinoNode[numNodes];}}class BinomialTree {private BinoNode root; private int order, size;public BinomialTree(int k) {size = 0;order = k;root = new BinoNode(order);createTree(root);}private void createTree(BinoNode r) {int n = r.numNodes;if (n == 0) {return;}for (int i = 0; i < n; i++) {r.arr[i] = new BinoNode(i);createTree(r.arr[i]);}}public void clear() {size = 0;root = new BinoNode(order);createTree(root);}public void insert(int val) {try {insert(root, val);} catch (Exception e) {}}private void insert(BinoNode r, int val) throws Exception {if (r.data == -1) {r.data = val;size++;throw new Exception("inserted !");}int n = r.numNodes;for (int i = 0; i < n; i++) {insert(r.arr[i], val);}}public void printTree() {System.out.print("\nBinomial Tree =…In Java, Explain when it might be preferable to use a map instead of a set.Implement Tower of honai in Java by using Stack. Towers Disks Smallest Largest The mission is to move all the disks to some another tower without violating the sequence of arrangement. A few rules to be followed for Tower of Hanoi are - • Only one disk can be moved among the towers at any given time. • Only the "top" disk can be removed. • No large disk can sit over a small disk.