Understand the usage and precautions of Equals and HashCode at one time

Understand the usage and precautions of Equals and HashCode at one time The concept and usage of Equals and HashCode have always been vague. Now I have time to collect some data and summarize them. About Equals The default implementation method in the Object class is: return this == obj. That is, true will be returned only if this and obj re ...

Posted on Mon, 20 Sep 2021 18:58:16 -0400 by sharugan