Java Challengers #29 - equals and hashcode contract
Do you know when the equals comparison returns true if the hashcode comparison should return true as well?
On this challenge, you will fully understand this concept with a logical explanation and you will never forget it when implementing your own equals and hashcode methods!
Have fun and learn Java for real by taking the Java Challengers!
Go even deeper on this concept by reading the Java Challengers post:
https://www.javaworld.com/article/330...
Get the code of the Java Challengers and run your own tests:
https://javachallengers.com/code
For more, go to https://javachallengers.com