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Java Standard Edition (SE)

BiPredicate


compact1, compact2, compact3
java.util.function

Interface BiPredicate<T,U>

  • Type Parameters:
    T - the type of the first argument to the predicate
    U - the type of the second argument the predicate
    Functional Interface:
    This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.


    @FunctionalInterface
    public interface BiPredicate<T,U>
    Represents a predicate (boolean-valued function) of two arguments. This is the two-arity specialization of Predicate.

    This is a functional interface whose functional method is test(Object, Object).

    Since:
    1.8
    See Also:
    Predicate
    • Method Summary

      All Methods Instance Methods Abstract Methods Default Methods 
      Modifier and Type Method and Description
      default BiPredicate<T,U> and(BiPredicate<? super T,? super U> other)
      Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another.
      default BiPredicate<T,U> negate()
      Returns a predicate that represents the logical negation of this predicate.
      default BiPredicate<T,U> or(BiPredicate<? super T,? super U> other)
      Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another.
      boolean test(T t, U u)
      Evaluates this predicate on the given arguments.
    • Method Detail

      • test

        boolean test(T t,
                     U u)
        Evaluates this predicate on the given arguments.
        Parameters:
        t - the first input argument
        u - the second input argument
        Returns:
        true if the input arguments match the predicate, otherwise false
      • and

        default BiPredicate<T,U> and(BiPredicate<? super T,? super U> other)
        Returns a composed predicate that represents a short-circuiting logical AND of this predicate and another. When evaluating the composed predicate, if this predicate is false, then the other predicate is not evaluated.

        Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this predicate throws an exception, the other predicate will not be evaluated.

        Parameters:
        other - a predicate that will be logically-ANDed with this predicate
        Returns:
        a composed predicate that represents the short-circuiting logical AND of this predicate and the other predicate
        Throws:
        NullPointerException - if other is null
      • negate

        default BiPredicate<T,U> negate()
        Returns a predicate that represents the logical negation of this predicate.
        Returns:
        a predicate that represents the logical negation of this predicate
      • or

        default BiPredicate<T,U> or(BiPredicate<? super T,? super U> other)
        Returns a composed predicate that represents a short-circuiting logical OR of this predicate and another. When evaluating the composed predicate, if this predicate is true, then the other predicate is not evaluated.

        Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this predicate throws an exception, the other predicate will not be evaluated.

        Parameters:
        other - a predicate that will be logically-ORed with this predicate
        Returns:
        a composed predicate that represents the short-circuiting logical OR of this predicate and the other predicate
        Throws:
        NullPointerException - if other is null


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