Skip to content
CodeWiki
Practice
Paths
Tracks
Cheatsheets
Playground
Glossary
AI era
Search
⌘K
English
English
Chinese
Practice
Paths
Tracks
Cheatsheets
Playground
Glossary
AI era
English
English
Chinese
Glossary
/
contravariance
Contravariance
A variance relation that reverses subtype direction, commonly used for values consumed by an API.
Used in
Wildcards and PECS
Java
Previous term
Contract testing
Next term
Control frame
A new version is available
Reload