Recursive AssignmentObjective: Reclusively display messages in a discussion forum with proper...

Question

Recursive AssignmentObjective: Reclusively display messages in a discussion forum with proper indentation.Each message in an online forum is captured with a unique message ID, a parent ID, and the text of themessage. The parent ID is the message ID of another message that a message is replying to. The firstmessage will have a parent ID of 0 indicating that it is not replying to any message, i.e. it is a newdiscussion. There could be more than one discussion in a forum.All messages are stored in a file in the following format: messageID|parentID|text, where each messageis a line and “|” is the delimiter to separate the fields.You are to:1. Implement appropriate class or classes to encapsulate the messages.2. Implement an application where the messages are loaded from file “msg.data” and displayed ina nesting hierarchy structure that show the relationship of the messages (each reply message isdisplayed on a separated line and indented by 2 white spaces relatively to the message beingreplied to)3. [bonus] provide options for the user to create a new discussion and reply to a message. Thesenew information must be added to the file containing the messages when the user exists yourapplication

Pulkit · Accepted Answer

recursive/.idea/.gitignore
# Default ignored files
/shelf/
/workspace.xml
recursive/.idea/misc.xml
 
   
     
  
recursive/.idea/modules.xml
 
   
     
       
    
  
recursive/.idea/workspace.xml
 
   
     
     
     
     
     
  
   
     
       
         
      
    
  
   
   
     
     
  
   
     
     
     
     
     
     
  
   
     
       
       
       
       
       
         
      
    
  
   
   
     
       
       1619500645893
       
       
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recursive/output.PNG
recursive/recursive.iml
 
   
     
     
       
    
     
     
  
recursive/src/Main.class
public synchronized class Main {
    public void Main();
    public static void main(String[]);
    public static java.util.List readUserMessages();
}
recursive/src/Main.java
recursive/src/Main.java
import java.io.*;
import java.util.*;
public class Main{
    public static void main(String[] args) {
        List UserMessages = readUserMessages();
        List parentIds = new ArrayList();
        for (Message msg : UserMessages) {
            if (msg.getParentId() == 0) {
                parentIds.add(msg.getMessageId());
            }
        }
        for (Integer pId :

Recursive AssignmentObjective: Reclusively display messages in a discussion forum with proper indentation.Each message in an online forum is captured with a unique message ID, a parent ID, and the...

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