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  1.     // Naomi Jones
  2.     // Survey, Summer 2025
  3.     // July 6, 2025
  4.     // Assignment 6 - 5 C# Linked List
  5.  
  6.     using System;
  7.       using System.Collections.Generic;
  8.  
  9.       public class AdvancedLinkedList  {
  10.  
  11.            // OperaItem class to hold opera names and comments.
  12.            public class OperaItem
  13.            {
  14.                 // Private fields to store values.
  15.                 private string _name;
  16.                 private string _comment;
  17.  
  18.                 // Constructor to initialize opera items.
  19.                 public OperaItem (string name, string comment)
  20.                 {
  21.                       _name = name;
  22.                       _comment = comment;
  23.                 }
  24.  
  25.                // Properties for opera names and comments.
  26.                public string Name
  27.                 {
  28.                           get {return _name;}
  29.                           set {_name = value;}
  30.                  }
  31.  
  32.                public string Comment
  33.                 {
  34.                           get {return _comment;}
  35.                           set {_comment = value;}
  36.                 }
  37.            } // class OperaItem
  38.  
  39.  
  40.           public static void Main()  {
  41.  
  42.           // Create a new LinkedList object.
  43.            LinkedList<OperaItem> operaList = new LinkedList<OperaItem>( );
  44.  
  45.           // Create OperaItem objects to add to the linked list.
  46.            OperaItem i1 = new OperaItem ("Aida", "My spouse's favorite opera of all time!");
  47.            OperaItem i2 = new OperaItem ("Don Giovanni", "Best opera of all time!!!");
  48.            OperaItem i3 = new OperaItem ("Un Ballo in Maschera", "Second best opera of all time!");
  49.            OperaItem i4 = new OperaItem ("Der fliegende Holländer", "It's not bad.");
  50.            OperaItem i5 = new OperaItem ("Gotterdammerung", "Great music...if you're still awake!");
  51.            OperaItem i6 = new OperaItem ("Turandot", "Unfinished by composer. It's okay.");
  52.  
  53.            // Add items to the linked list by preference.
  54.            operaList.AddFirst (i1);
  55.            operaList.AddFirst (i2);
  56.            operaList.AddBefore (operaList.Find (i1), i3); // Moves after i1.
  57.            operaList.AddAfter (operaList.Find (i1), i4); // Moves before i1.
  58.            operaList.AddLast (i5);
  59.            operaList.AddLast (i6);
  60.  
  61.            Console.WriteLine ("\nMy personal ranking of operas:");
  62.  
  63.           // Displays all items.
  64.            foreach (OperaItem opera in operaList)
  65.            {
  66.                   Console.WriteLine (opera.Name + " : " + opera.Comment);
  67.            }
  68.  
  69.            // Removes the last node.   
  70.            if (operaList.Last != null) 
  71.            {
  72.                    operaList.RemoveLast();
  73.            }
  74.            else
  75.            {
  76.            Console.WriteLine("List is empty. Cannot remove an opera.");
  77.            }
  78.  
  79.            Console.WriteLine("\nRemaining list after removing the last opera:");
  80.  
  81.            foreach (OperaItem opera in operaList) // Prints remaining operas.
  82.            {
  83.                    Console.WriteLine(opera.Name);
  84.            }
  85.  
  86.            // Removes the first node.   
  87.            if (operaList.First != null) 
  88.            {
  89.                    operaList.RemoveFirst();
  90.            }
  91.            else
  92.            {
  93.            Console.WriteLine("List is empty. Cannot remove an opera.");
  94.            }
  95.  
  96.            Console.WriteLine("\nRemaining list after removing the first opera:");
  97.  
  98.            foreach (OperaItem opera in operaList) // Prints remaining operas.
  99.            {
  100.                    Console.WriteLine(opera.Name);
  101.            }
  102.  
  103.           } // Main
  104.  
  105.     }  // AdvancedLinkedList
  106.  
Success #stdin #stdout 0.06s 27120KB
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stdin
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Standard input is empty
stdout
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My personal ranking of operas:
Don Giovanni : Best opera of all time!!!
Un Ballo in Maschera : Second best opera of all time!
Aida : My spouse's favorite opera of all time!
Der fliegende Holländer : It's not bad.
Gotterdammerung : Great music...if you're still awake!
Turandot : Unfinished by composer. It's okay.

Remaining list after removing the last opera:
Don Giovanni
Un Ballo in Maschera
Aida
Der fliegende Holländer
Gotterdammerung

Remaining list after removing the first opera:
Un Ballo in Maschera
Aida
Der fliegende Holländer
Gotterdammerung
https://ideone.com/DWkbx7
language:
C# (NET 6.0)
created:
10 days ago
visibility:
public

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