Bummer! You have been redirected as the page you requested could not be found.
Heads up! To view this whole video, sign in with your Courses account or enroll in your free 7-day trial. Sign In Enroll
Well done!
You have completed Intermediate C#!
You have completed Intermediate C#!
Preview
When overriding Object.Equals we should also override Object.GetHashCode. Here's why and how.
This video doesn't have any notes.
Related Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign upRelated Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign up
TreehouseDefense.Point overrides
Object.Equals but
0:00
it does not override Object.GetHashCode.
0:02
The hash code of an object is an integer
that is unique to that object.
0:06
Different objects will
have different hash codes.
0:10
Every object created is
given a unique identifier.
0:13
So by default,
this ID is used as an object's hash code.
0:15
This ID, if you will,
is actually just its memory address.
0:20
Being able to identify an object
by its hash code is very handy and
0:24
the GetHashCode method is used
by many C# collection types.
0:29
You need to sign up for Treehouse in order to download course files.
Sign upYou need to sign up for Treehouse in order to set up Workspace
Sign up