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  1. // Naomi Jones
  2. // Survey, Summer 2025
  3. // July 6, 2025
  4. // Assignment 6 - 6 C# Hashset
  5.  
  6. using System;
  7. using System.Collections.Generic;
  8.  
  9. class OperaList
  10. {
  11.     static void Main()
  12.     {
  13.        // Create two hash sets to store Italian and German operas.
  14.         HashSet<String> Italian = new HashSet<String>();
  15.         HashSet<String> German = new HashSet<String>();
  16.  
  17.         // Adds operas to the Italian hash set.
  18.         Italian.Add ("Don Giovanni");
  19.         Italian.Add ("Un ballo in maschera");
  20.         Italian.Add ("Aida");
  21.         Italian.Add ("Turandot");
  22.  
  23.         // Adds operas to the German hash set.
  24.         German.Add ("Der fliegende Holländer");
  25.         German.Add ("Götterdämmerung");
  26.  
  27.         // Displays operas in the Italian set.
  28.         Console.Write ("Italian operas contain(s) {0} elements: ", Italian.Count);
  29.         DisplaySet (Italian);
  30.  
  31.        // Displays operas in the German set.  
  32.        Console.Write("German operas contain(s) {0} elements: ", German.Count);
  33.         DisplaySet (German);
  34.  
  35.         // HashSet with both Italian and German operas.
  36.         HashSet<String> allClassMembers = new HashSet<String>(Italian);
  37.         Console.WriteLine ("Of the Italian and German operas on my list, ");
  38.         allClassMembers.UnionWith (German);
  39.  
  40.         // Number of operas in the combined set.
  41.         Console.Write ("all ClassMembers contain {0} elements: ", allClassMembers.Count);
  42.         DisplaySet (allClassMembers);
  43.  
  44.     }
  45.  
  46.     private static void DisplaySet (HashSet<String> set)
  47.     {
  48.         Console.Write ("{");
  49.         foreach (String i in set)
  50.         {
  51.                 Console.Write (" {0}", i);
  52.         }
  53.         Console.WriteLine (" }");
  54.     }
  55. } // HashSet
  56.  
  57.  
  58.  
Success #stdin #stdout 0.06s 26996KB
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stdin
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stdout
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Italian operas contain(s) 4 elements: { Don Giovanni Un ballo in maschera Aida Turandot }
German operas contain(s) 2 elements: { Der fliegende Holländer Götterdämmerung }
Of the Italian and German operas on my list, 
all ClassMembers contain 6 elements: { Don Giovanni Un ballo in maschera Aida Turandot Der fliegende Holländer Götterdämmerung }
https://ideone.com/pW1YBU
language:
C# (NET 6.0)
created:
2 days ago
visibility:
public

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