This marker interface is implemented by
List implementations to advertise that they
provide efficient (usually constant time) random access to all list
elements. ArrayList and Vector
implement this interface, but LinkedList does not.
Classes that manipulate generic List objects may
want to test for this interface with instanceof
and use different algorithms for lists that provide efficient random
access than they use for lists that are most efficiently accessed
sequentially.public interface RandomAccess {
}
Implementations
ArrayList, Vector,
java.util.concurrent.CopyOnWriteArrayList |
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