Additional Notes
What happens if equals and hashCode are inconsistent?
Track: Java
Topic: Core Java
Focus: equals and hashCode in Collections
Java: equals and hashCode in Collections
Answer
It can lead to incorrect behavior in collections.
When equals and hashCode are inconsistent, collections like HashSet may fail to find or store elements correctly. For example, if two objects are equal but have different hashCodes, they may end up in different buckets, causing retrieval failures.
When equals and hashCode are inconsistent, collections like HashSet may fail to find or store elements correctly. For example, if two objects are equal but have different hashCodes, they may end up in different buckets, causing retrieval failures.
Topics: Core Java equals and hashCode in Collections Java