A Predicate
is the object equivalent of an if
statement. It uses the input object to return a true or false value, and is often used in validation or filtering.
Standard implementations of common predicates are provided by {@link PredicateUtils}. These include true, false, instanceof, equals, and, or, not, method invokation and null testing. @param < T> the type that the predicate queries @since 1.0 @version $Id: Predicate.java 1469004 2013-04-17 17:37:03Z tn $
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