Uses of Interface
java.util.function.Predicate

Packages that use Predicate 
Package Description
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.function
Functional interfaces provide target types for lambda expressions and method references.
java.util.regex
Classes for matching character sequences against patterns specified by regular expressions.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.
  • Uses of Predicate in java.util

    Methods in java.util with parameters of type Predicate 
    Modifier and Type Method Description
    Optional<T> Optional.filter​(Predicate<? super T> predicate)
    If a value is present, and the value matches the given predicate, returns an Optional describing the value, otherwise returns an empty Optional.
    boolean ArrayDeque.removeIf​(Predicate<? super E> filter)  
    boolean ArrayList.removeIf​(Predicate<? super E> filter)  
    default boolean Collection.removeIf​(Predicate<? super E> filter)
    Removes all of the elements of this collection that satisfy the given predicate.
    boolean PriorityQueue.removeIf​(Predicate<? super E> filter)  
    boolean Vector.removeIf​(Predicate<? super E> filter)  
  • Uses of Predicate in java.util.concurrent

    Methods in java.util.concurrent with parameters of type Predicate 
    Modifier and Type Method Description
    boolean ArrayBlockingQueue.removeIf​(Predicate<? super E> filter)  
    boolean ConcurrentLinkedDeque.removeIf​(Predicate<? super E> filter)  
    boolean ConcurrentLinkedQueue.removeIf​(Predicate<? super E> filter)  
    boolean CopyOnWriteArrayList.removeIf​(Predicate<? super E> filter)  
    boolean CopyOnWriteArraySet.removeIf​(Predicate<? super E> filter)  
    boolean LinkedBlockingDeque.removeIf​(Predicate<? super E> filter)  
    boolean LinkedBlockingQueue.removeIf​(Predicate<? super E> filter)  
    boolean LinkedTransferQueue.removeIf​(Predicate<? super E> filter)  
    boolean PriorityBlockingQueue.removeIf​(Predicate<? super E> filter)  
    Constructors in java.util.concurrent with parameters of type Predicate 
    Constructor Description
    ForkJoinPool​(int parallelism, ForkJoinPool.ForkJoinWorkerThreadFactory factory, Thread.UncaughtExceptionHandler handler, boolean asyncMode, int corePoolSize, int maximumPoolSize, int minimumRunnable, Predicate<? super ForkJoinPool> saturate, long keepAliveTime, TimeUnit unit)
    Creates a ForkJoinPool with the given parameters.
  • Uses of Predicate in java.util.function

    Methods in java.util.function that return Predicate 
    Modifier and Type Method Description
    default Predicate<T> Predicate.and​(Predicate<? super T> other)
    Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another.
    static <T> Predicate<T> Predicate.isEqual​(Object targetRef)
    Returns a predicate that tests if two arguments are equal according to Objects.equals(Object, Object).
    default Predicate<T> Predicate.negate()
    Returns a predicate that represents the logical negation of this predicate.
    static <T> Predicate<T> Predicate.not​(Predicate<? super T> target)
    Returns a predicate that is the negation of the supplied predicate.
    default Predicate<T> Predicate.or​(Predicate<? super T> other)
    Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another.
    Methods in java.util.function with parameters of type Predicate 
    Modifier and Type Method Description
    default Predicate<T> Predicate.and​(Predicate<? super T> other)
    Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another.
    static <T> Predicate<T> Predicate.not​(Predicate<? super T> target)
    Returns a predicate that is the negation of the supplied predicate.
    default Predicate<T> Predicate.or​(Predicate<? super T> other)
    Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another.
  • Uses of Predicate in java.util.regex

    Methods in java.util.regex that return Predicate 
    Modifier and Type Method Description
    Predicate<String> Pattern.asMatchPredicate()
    Creates a predicate that tests if this pattern matches a given input string.
    Predicate<String> Pattern.asPredicate()
    Creates a predicate that tests if this pattern is found in a given input string.
  • Uses of Predicate in java.util.stream

    Methods in java.util.stream with parameters of type Predicate 
    Modifier and Type Method Description
    boolean Stream.allMatch​(Predicate<? super T> predicate)
    Returns whether all elements of this stream match the provided predicate.
    boolean Stream.anyMatch​(Predicate<? super T> predicate)
    Returns whether any elements of this stream match the provided predicate.
    default Stream<T> Stream.dropWhile​(Predicate<? super T> predicate)
    Returns, if this stream is ordered, a stream consisting of the remaining elements of this stream after dropping the longest prefix of elements that match the given predicate.
    Stream<T> Stream.filter​(Predicate<? super T> predicate)
    Returns a stream consisting of the elements of this stream that match the given predicate.
    static <T,​ A,​ R> Collector<T,​?,​R> Collectors.filtering​(Predicate<? super T> predicate, Collector<? super T,​A,​R> downstream)
    Adapts a Collector to one accepting elements of the same type T by applying the predicate to each input element and only accumulating if the predicate returns true.
    static <T> Stream<T> Stream.iterate​(T seed, Predicate<? super T> hasNext, UnaryOperator<T> next)
    Returns a sequential ordered Stream produced by iterative application of the given next function to an initial element, conditioned on satisfying the given hasNext predicate.
    boolean Stream.noneMatch​(Predicate<? super T> predicate)
    Returns whether no elements of this stream match the provided predicate.
    static <T> Collector<T,​?,​Map<Boolean,​List<T>>> Collectors.partitioningBy​(Predicate<? super T> predicate)
    Returns a Collector which partitions the input elements according to a Predicate, and organizes them into a Map<Boolean, List<T>>.
    static <T,​ D,​ A> Collector<T,​?,​Map<Boolean,​D>> Collectors.partitioningBy​(Predicate<? super T> predicate, Collector<? super T,​A,​D> downstream)
    Returns a Collector which partitions the input elements according to a Predicate, reduces the values in each partition according to another Collector, and organizes them into a Map<Boolean, D> whose values are the result of the downstream reduction.
    default Stream<T> Stream.takeWhile​(Predicate<? super T> predicate)
    Returns, if this stream is ordered, a stream consisting of the longest prefix of elements taken from this stream that match the given predicate.