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org.apache.commons.lang3.function

public Class Predicates

extends Object
Class Inheritance
Imports
java.util.function.Predicate
Factory for Predicate.
Since
3.18.0

Field Summary

Modifier and TypeField and Description
private static final Predicate<?>
FALSE

private static final Predicate<?>
TRUE

Constructor Summary

AccessConstructor and Description
private
Predicates()

No instances needed.

Method Summary

Modifier and TypeMethod and Description
public static <
the type of the input to the predicate.
T> Predicate<T>

Returns:

the Predicate singleton.
falsePredicate()

Gets the Predicate singleton that always returns false.

public static <
the type of the input to the predicate.
T> Predicate<T>

Returns:

the Predicate singleton.
truePredicate()

Gets the Predicate singleton that always returns true.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

FALSEback to summary
private static final Predicate<?> FALSE
TRUEback to summary
private static final Predicate<?> TRUE

Constructor Detail

Predicatesback to summary
private Predicates()

No instances needed.

Method Detail

falsePredicateback to summary
public static <T> Predicate<T> falsePredicate()

Gets the Predicate singleton that always returns false.

Parameters
<T>
the type of the input to the predicate.
Returns:Predicate<T>

the Predicate singleton.

Annotations
@SuppressWarnings:unchecked
truePredicateback to summary
public static <T> Predicate<T> truePredicate()

Gets the Predicate singleton that always returns true.

Parameters
<T>
the type of the input to the predicate.
Returns:Predicate<T>

the Predicate singleton.

Annotations
@SuppressWarnings:unchecked