Field Detail

• FALSE

  public static final Predicate FALSE

• TRUE

  public static final Predicate TRUE

Constructor Detail

• Predicate

  public Predicate()

Method Detail

• truePred

  public static <T> Predicate<T> truePred()

• falsePred

  public static <T> Predicate<T> falsePred()

• test

  public abstract boolean test(T t)

  Test whether an Object satisfies this Predicate

• not

  public Predicate<T> not()

  Return a predicate that is a negation of this predicate

• and

  public Predicate<T> and(Predicate<T> conjunct)

  Return a predicate that is a conjunction of this predicate and another predicate

• or

  public Predicate<T> or(Predicate<T> disjunct)

  Return a predicate that is a conjunction of this predicate and another predicate

• isElementOf

  public static <T> Predicate<T> isElementOf(Collection<T> c)

  Create the predicate "is an element of c"

• filter

  public static <T> List<T> filter(Iterator<T> src,
                                   Predicate<T> pred)
                            throws IllegalArgumentException

  Filter a collection: generate a new list from an existing collection, consisting of the elements satisfying some predicate.

  Throws:

  IllegalArgumentException - if src == null