import java.util.HashMap; import java.util.Map; public class LinearSearchMap {     // Define a method that takes in a map and a target value as parameters     public static boolean linearSearch(Map map, int target) {         // Iterate through each entry in the map         for () {             // Check if the value of the current entry is equal to the target             if () {                 // If the value is equal to the target, return true             }         }         // If no entry with the target value is found, return false     }     public static void main(String[] args) {         // Create a HashMap of strings and integers         Map numbers = new HashMap<>();         // Populate the HashMap with key-value pairs         numbers.put("One", 1);         numbers.put("Two", 2);         numbers.put("Three", 3);         numbers.put("Four", 4);         numbers.put("Five", 5);         // Set the target value to search for Call the linearSearch method with the map         // and target value as parameters         boolean result = linearSearch(numbers, target);         // Check if the target was found in the map         if (result) {             System.out.println("Target found in the Map.");         } else {             System.out.println("Target not found in the Map.");         }     } } --------------------------------------------------------------------------------------------------------------------------------------------------------- Set the target value be an integer with a value of 3. Call the linearSearch method with the Map and target value as parameters. Store the result of the search as a boolean variable called result. If the result is true, the message "Target found in the Map." should be printed to the console. If the result is false, the message "Target not found in the Map." should be printed to the console.

import java.util.*;public class MyLinkedListQueue{   class Node  {     public Object data;     public Node next;     private Node first;    public MyLinkedListQueue()  {      first = null;  }  public Object peek()  {    if(first==null)    {      throw new NoSuchElementException();    }      return first.data;  }  public void enqueue(Object element)  {     Node newNode = new newNode();     newNode.data = element;     newNode.next = first;     first = newNode;  }  public boolean isEmpty()  {    return(first==null);  }  public int size()  {     int count = 0;     Node p = first;     while(p ==! null)     {       count++;       p = p.next;     }     return count;  }   } } Hello, I am getting an error message when I execute this program. This is what I get: MyLinkedListQueue.java:11: error: invalid method declaration; return type required  public MyLinkedListQueue()         ^1 error I also need to have a dequeue method in my program. It is very similar to the enqueue method.  I'll…

Implement move the following way.  public int[] walk(int... stepCounts) { // Implement the logic for walking the players returnnewint[0]; }   public class WalkingBoardWithPlayers extends WalkingBoard{ privatePlayer[] players; privateintround; publicstaticfinalintSCORE_EACH_STEP=13; publicWalkingBoardWithPlayers(int[][] board, intplayerCount) { super(board); initPlayers(playerCount); } publicWalkingBoardWithPlayers(intsize, intplayerCount) { super(size); initPlayers(playerCount); } privatevoidinitPlayers(intplayerCount) { if(playerCount <2){ thrownewIllegalArgumentException("Player count must be at least 2"); } else { this.players=newPlayer[playerCount]; this.players[0] =newMadlyRotatingBuccaneer(); for (inti=1; i < playerCount; i++) { this.players[i] =newPlayer(); } } }   package walking.game.player; import walking.game.util.Direction; public class Player{ privateintscore; protectedDirectiondirection=Direction.UP; publicPlayer() {} publicintgetScore() { return score; }…

4. Show the output of the following code: public class Test { public static void main(String[] args) { Map map = new LinkedHashMap(); map.put("123", "John Smith"); map.put ("111", "George Smith"); map.put("123", "Steve Yao"); map.put("222", "Steve Yao"); System.out:println("(1) System.out.println(" (2) } uutr wtni " + map); + new TreeMap (map)) ; }