IT Nursery
I was just wondering why is that primes are used in a class’s hashCode() method? For example, when using Eclipse to generate my hashCode() method there is always the...
What’s a correct and good way to implement __hash__()? I am talking about the function that returns a hashcode that is then used to insert objects into hashtables aka...
As per my understanding I think: It is perfectly legal for two objects to have the same hashcode. If two objects are equal (using the equals() method) then they...
When a class in Java doesn’t override hashCode(), printing an instance of this class gives a nice unique number. The Javadoc of Object says about hashCode(): As much as...
How do we decide on the best implementation of hashCode() method for a collection (assuming that equals method has been overridden correctly) ? 20 Answers 20
Recently I read through this Developer Works Document. The document is all about defining hashCode() and equals() effectively and correctly, however I am not able to figure out why...
This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. What issues / pitfalls must be...
A strict equality operator will tell you if two object types are equal. However, is there a way to tell if two objects are equal, much like the hash...
Is there any method to generate MD5 hash of a string in Java? 33 s 33
In .NET, the GetHashCode method is used in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in...