Skip to content
UPEEC

equals and hashCode

Equal objects must have equal hash codes — override both together.

Intermediate
Comments 0

Otherwise objects get lost in HashMap/HashSet. Use Objects.equals and Objects.hash, or records which generate both.

Spotted a mistake or want to add detail? Suggest an improvement — Content Contributors' edits are reviewed by editors before they go live.

Discussion (0)

Sign in or join free to ask questions and discuss this topic.