I'm looking for a preexisting functional interface like Predicate
, but one whose test
method takes no arguments.
Asked
Active
Viewed 7,127 times
53

Zoe
- 27,060
- 21
- 118
- 148

Greg Valvo
- 1,069
- 1
- 9
- 13
1 Answers
53
You're looking for BooleanSupplier
.
https://docs.oracle.com/javase/8/docs/api/java/util/function/BooleanSupplier.html

Paul Boddington
- 37,127
- 10
- 65
- 116
-
4Thank you for the clear answer to the "unclear" question – c0der Mar 01 '17 at 12:11
-
3But BooleanSupplier is missing all the utility methods like "and", "negate" and "or" :( – Tamir Adler Jan 19 '21 at 19:04