corda/classpath/java/util/Deque.java
Mike Jensen b5dd74c3d8 Adds the Deque interface, and allows LinkedList to implement that interface.
This also changes ConcurrentLinkedQueue to implement the Queue interface, and just throw exceptions for operations which are not currently implemented.
2014-03-03 16:02:12 -07:00

32 lines
929 B
Java

/* Copyright (c) 2008-2014, Avian Contributors
Permission to use, copy, modify, and/or distribute this software
for any purpose with or without fee is hereby granted, provided
that the above copyright notice and this permission notice appear
in all copies.
There is NO WARRANTY for this software. See license.txt for
details. */
package java.util;
public interface Deque<T> extends Queue<T> {
public boolean offerFirst(T e);
public void push(T e);
public void addFirst(T element);
public boolean offerLast(T e);
public void addLast(T element);
public T peekFirst();
public T getFirst();
public T peekLast();
public T getLast();
public T pollFirst();
public T removeFirst();
public T pop();
public T pollLast();
public T removeLast();
public Iterator<T> descendingIterator();
public boolean removeLastOccurrence(Object o);
public boolean removeFirstOccurrence(Object o);
}