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C# Intermediate C# System.Object Object.Equals

Using Equals in C# Intermediate Level Course

Im uncertain what Im doing wrong here, thanks in advance.

VocabularyWord.cs
using System;
namespace Treehouse.CodeChallenges
{
    public class VocabularyWord
    {
        public string Word { get; private set; }

        public VocabularyWord(string word)
        {
            Word = word;
        }

        public override string ToString()
        {
            return Word;
        }

        public override bool Equals (object obj) 
        {
            return Word == obj;
        }
    }
}

1 Answer

Emmanuel C
Emmanuel C
10,636 Points

First you want to check if the obj being passed in is a VocabularyWord. If not then return false.

if(!(obj is VocabularyWord))
{
    return false;
}

If it is then you have to cast the obj into a VocabularyWord object.

VocabularyWord vWord = obj as VocabularyWord;

Then you can compare the words and return the results

return this.Word == vWord.Word;

Hope that helps, Happy coding.

This comment explains Equals perfectly! I had trouble understanding it from the video AND from the Docs. Thank you so much for breaking it down! :)