22010202222012110122201
222502263029340278002984
31067065058056053032033020

package chaoschild;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.text.ParseException;
import java.util.Scanner;
public class ChaosChild {
/**
 *
     * @param linkedList
     * @param fileName
 * @author 天光逸
 */
//read the file by line
  public static void readFileByLines(ChaosChild linkedList, String fileName) {
    String key = null;
    String password = null;
    String link=null;
    File file = new File(fileName);
    BufferedReader reader = null;
    try {
      reader = new BufferedReader(new FileReader(file));
      String tempString = null;
      int line = 0;
      // Read one line for one time until it reads null for the end of the file
      while ((tempString = reader.readLine()) != null) {// to find if it reads to the end of the file
        line = line % 3;
        switch (line) {
        case 0:
          key = tempString;
          break;
        case 1:
          password =  tempString;
          break;
        case 2:
          link = tempString;
      Node node = new Node(key, password, link);
          linkedList.addNode(node);
                                        break;
        }
        line++;
      }
      reader.close();
    } catch (IOException e) {
    }
  }
  private Node head = null;// Head Node
  private Node tail = null;// Tail node(null node) as Temporary nodes which used for substitution
//find key
  public static Node findlink(String link, ChaosChild myList) {
    Node tmp = null;
    for (tmp = myList.getHead(); tmp != null; tmp = tmp.next) {
      if (link.equals(tmp.link))
        return tmp;
    }
    return tmp;
  }
  /**
   *
   * initial a linked list(set head)
   * @param node
   */
  public void initList(Node node) {
    head = node;
    head.next = tail;
  }
  /**
   *
   * add node
   * @param node
   */
        //sort all cars by purchase date
  public void addNode(Node node) {
    Node temp = head;
    if (head == null) {
      initList(node);
    } else {// Replace head node
      node.next = head;
      head = node;
    }
  }
  /**
   *
   * Traverse the list and delete node
   * @param node
   * @param myList
   */
  public void deleteNode(Node node, ChaosChild myList) {
    if (myList == null) {
      return;
    }
    Node tmp = null;
    for (tmp = myList.head; tmp != null; tmp = tmp.next) {
      if (tmp.next != null && node.getlink().equals(tmp.next.getlink())) {
        if (tmp.next.next != null) {
          tmp.next = tmp.next.next;
        } else {
          tmp.next = null;
        }
      }
    }
  }
  public Node getHead() {
    return head;
  }
  /**
   *
   *
   * @param myList
   */
    /**
     *
     * @param args
     * @throws java.text.ParseException
     * @throws java.io.IOException
     */
        //Achieve the four main funtions and save the file to data.txt
    public static void main(String[] args) throws ParseException, IOException {
    String filename="C:\\Users\\lenovo\\Desktop\\data.txt";
    ChaosChild linkedList = new ChaosChild();
    readFileByLines(linkedList, filename);
                System.out.println("Welcome to this game. My name is MK0034209038. Please remember you have known my name.");
            while (true) {
                System.out.print("Please enter one of those ：(input 1 2 3 4)\n1、Input data\n2、Display the data\n3、Hint \n4、Exit\n");
                Scanner scanner = new Scanner(System.in);
                int i = scanner.nextInt();
          if (i == 1) {
                            System.out.println("You are not administrator");
                            // Scanner scanner = new Scanner(System.in);
      } else if (i == 2) {
                        printlist(linkedList);
                        } else if (i == 3) {
                              System.out.println("Where is made by Morse code and please check the picture again.");
                              System.out.println("For more hints please enter 3 again");
                              int b = scanner.nextInt();
                              if(b == 3){
                                  System.out.println("Well, the next hint is my name is made by 3 kinds of code");
                              }else{
                                  System.out.println("OK,think about what the hell are those numbers meaning");
                              }
        } else if (i == 4) {
                        BufferedWriter out;
                        try {
                            out = new BufferedWriter(new FileWriter(filename));
                            Node tmp = null;
                            long sum = 0;
                            for (tmp = linkedList.getHead(); tmp != null; tmp = tmp.next) {
                                out.write(tmp.key);
                                out.newLine();
                                out.write(String.valueOf(tmp.password));
                                out.newLine();
                                out.write(String.valueOf(tmp.link));
                                out.newLine();
                            }
                            out.close();
                        } catch (IOException e) {
                        }
                        return;
                }
            }
  }
          public static void printlist(ChaosChild myList) {
    Node tmp = null;
    long sum = 0;
    for (tmp = myList.getHead(); tmp != null; tmp = tmp.next) {
      System.out.print("Where:"+tmp.key + " " +"password:" +tmp.password + " " + "link:"+tmp.link + "\n");
  }
}
}

Where is made by Morse code and please check the picture again.
Well, the next hint is my name is made by 3 kinds of code
OK,think about what the hell are those numbers meaning

0005 = 三
0063 = 五
0934 = 四
0780 = 唉
0984 = 坩

0005 = 三
0063 = 五
0934 = 四
0780 = 唉
2984 = 死