org.refcodes.collection.mixins

Interface CollectionMetaData

All Known Subinterfaces:

Container<E>, Container.ClearableContainer<E>, Container.MutableContainer<E>, Dictionary<K,V>, Dictionary.ClearableDictionary<K,V>, Dictionary.MutableDictionary<K,V>

public interface CollectionMetaData

A CollectionMetaData is the base functionality provided container (collection). The CollectionMetaDatait just informs about the metrics of a container.

Method Summary

Modifier and Type	Method and Description
boolean	isEmpty() Tests whether the accumulation is empty or not.
int	size() Returns the number of data elements contained in the collection.

Method Detail

size

int size()

Returns the number of data elements contained in the collection.

Returns:

An integer representing the number of items stored in the accumulation.

isEmpty

boolean isEmpty()

Tests whether the accumulation is empty or not. Returns true if the accumulation is empty, else false is returned.

Returns:

True if no element is contained in the accumulation - else false is returned.