Interface and Class Details
public abstract interface Collection
The Collection interface is the base interface for all Collection interfaces and the basis of all Collection classes in the Collection framework. Collection is simply a set of objects that can be treated as individual items or as a group. The Collection interface specifies methods for dealing with individual objects, such as add(), and for dealing with a whole Collection at once, such as removeAll().
boolean add(Object o) boolean addAll(Collection c) void clear() boolean contains(Object o) boolean containsAll(Collection c) boolean equals(Object o) int hashCode() boolean isEmpty() Iterator iterator() boolean remove(Object o) boolean removeAll(Collection ...