Ask Question
28 November, 04:30

Create an instance of your queue that accepts java. lang. String Objects. Starting with an empty queue, use the enqueue (E e) method to add 10,000 java. lang. String objects

+1
Answers (1)
  1. 28 November, 07:37
    0
    Code is given below:

    Explanation:

    ode. java:

    public class Node

    {

    String data;

    Node next;

    Node prev;

    public Node (String data, Node next, Node prev) {

    this. next=next;

    this. data=data;

    this. prev=prev;

    }

    public Node () {

    }

    public String getData () {

    return data;

    }

    public void setData (String data) {

    this. data=data;

    }

    public Node getNext () {

    return next;

    }

    public void setNext (Node next) {

    this. next=next;

    }

    public Node getPrev () {

    return prev;

    }

    public void setPrev (Node prev) {

    this. prev=prev;

    }

    }

    Linked Queue. java:

    public class LinkedQueues {

    Node head;

    Node tail;

    int size=0;

    public Oueues () {

    this. head=null;

    this. tail=null;

    }

    public boolean isEmpty ()

    {

    return head = = tail;

    }

    public int getSize ()

    {

    return size;

    }

    public void insert (String data) {

    Node tmp = new Node (data, null, null);

    tmp. data=data;

    tmp. next=null;

    if (head==null) {

    head=tail=tmp;

    head. prev=null;

    }

    else{

    tail. next=tmp;

    tmp. prev=tail;

    tail=tmp;

    }

    }

    public String remove () {

    if (head. next==tail)

    return null; / / list empty

    Node tmp=head. next;

    head. next=tmp. next;

    tmp. next. prev=head;

    list ();

    return tmp. data;

    }

    public void list () {

    System. out. println ("Queues");

    if (size==0) {

    System. out. println ("İs Empty");

    }

    Node tmp=head;

    while (tmp!=tail. getNext ()) {

    System. out. println (tmp. getVeri () + " ");

    tmp = tmp. getNext ();

    }

    System. out. println ();

    }

    Linkedstack. java:

    public class LinkedStack {

    Node head = null;

    Node tail = null;

    int size=0;

    public int getSize () {

    return size;

    }

    public boolean isEmpty ()

    {

    return head = = null;

    }

    public void Push (String data) {

    tail = head;

    head = new Node (data, null, null);

    head. data=data;

    head. next = tail;

    head. prev = null;

    if (tail! = null) {

    tail. prev=head;

    }

    size++;

    }

    public void Pop () {

    if (! isEmpty ()) {

    head = head. next; / / delete first node

    size--;

    } else {

    System. out. println ("İs Empty");

    }

    }

    public void Top () {

    Node tmp = head;

    while (tmp! = null) {

    System. out. println (tmp. getData ());

    tmp = tmp. getNext ();

    }

    }

    }

    ArrayBasedQueue. java

    import java. util. LinkedList;

    import java. util. Queue;

    public class ArrayBasedQueue

    {

    public static void main (String[] args)

    {

    Queue q = new LinkedList ();

    / / Adds elements {0, 1, 2, 3, 4} to queue

    for (int i=0; i<5; i++)

    q. add (i);

    / / Display contents of the queue.

    System. out. println ("Elements of queue-"+q);

    int removedele = q. remove ();

    System. out. println ("removed element-" + removedele);

    System. out. println (q);

    int head = q. peek ();

    System. out. println ("head of queue-" + head);

    int size = q. size ();

    System. out. println ("Size of queue-" + size);

    }

    }

    ArrayBasedStack. java:

    import java. io.*;

    import java. util.*;

    public class ArrayBasedStack

    {

    static void stack_push (Stack stack)

    {

    for (int i = 0; i < 5; i++)

    {

    stack. push (i);

    }

    }

    / / Popping element from the top of the stack

    static void stack_pop (Stack stack)

    {

    System. out. println ("Pop : ");

    for (int i = 0; i < 5; i++)

    {

    Integer y = (Integer) stack. pop ();

    System. out. println (y);

    }

    }

    }

    TestTimes. java:

    public class TestTimes implements TestTimesInterface

    {

    public static enum TimeUnits {};

    public static enum MemoryUnits{};

    }

    Driver. java:

    public class driver

    {

    public static void main (String args[])

    {

    Scanner s = new Scanner (System. in);

    LinkedStack y = new LinkedStack ();

    LinkedQueues k = new LinkedQueues ();

    ArrayBasedStack as=new ArrayBasedStack ();

    ArrayBasedQueue as=new ArrayBasedQueue ();

    FileWriter fwy;

    FileWriter fwk;

    File stack = new File ("stack. txt");

    if (! stack. exists ()) {

    stack. createNewFile ();

    } else {

    System. out. println ("already exists ");

    }

    BufferedReader reader = null;

    reader = new BufferedReader (new FileReader (stack));

    String line = reader. readLine ();

    while (line! = null) {

    y. Push (line = reader. readLine ());

    System. out. println (line);

    }

    File queue = new File ("queue. txt");

    if (! queue. exists ()) {

    queue. createNewFile ();

    } else {

    System. out. println ("already exists ");

    }

    BufferedReader read = null;

    read = new BufferedReader (new FileReader (queue));

    String lines = read. readLine ();

    while (lines! = null) {

    lines = read. readLine ();

    k. insert (lines);

    System. out. println (lines);

    }

    int choice;

    System. out. println ("1. Stack out - queue add");

    System. out. println ("2. Stack add - queue out");

    System. out. println ("3. Stack and queue ");

    System. out. println ("4. File writer");

    choice = s. nextInt ();

    switch (choice) {

    case 1:

    k. insert (s. next ());

    k. list ();

    y. pop ();

    break;

    case 2:

    y. Push (s. next ());

    y. Top ();

    k. remove ();

    break;

    case 3:

    y. Top ();

    k. list ();

    break;

    case 4:

    fwy = new FileWriter (stack);

    Node no = y. head;

    while (no. next! = null) {

    fwy. write ("/n" + no. data);

    no = no. next;

    }

    fwy. flush ();

    fwy. close ();

    fwk = new FileWriter (queue);

    Node noo = k. head;

    while (noo. next! = null) {

    fwk. write ("/n" + noo. data);

    noo = noo. next;

    }

    fwk. flush ();

    fwk. close ();

    break;

    }

    }

    }
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “Create an instance of your queue that accepts java. lang. String Objects. Starting with an empty queue, use the enqueue (E e) method to add ...” in 📘 Computers and Technology if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers