Java – AbstractQueue Class

October 25, 2019 howtojava Java Util 0

Java AbstractQueue Class methods, constructors, variables available in Java 8 release are listed below. We will publish example program on each methods ASAP.

Constructors in Java AbstractQueue Class

S.No Constructor & Description
1 protected AbstractQueue()

Constructor for use by subclasses.

Methods in Java AbstractQueue Class

S.No Method & Description
1 boolean add(E e)

Inserts the specified element into this queue if it is possible to do so immediately without violating capacity restrictions, returning true upon success and throwing an IllegalStateException if no space is currently available.
2 boolean addAll(Collection<? extends E> c)

Adds all of the elements in the specified collection to this queue.
3 void clear()

Removes all of the elements from this queue.
4 E element()

Retrieves, but does not remove, the head of this queue.
5 E remove()

Retrieves and removes the head of this queue.

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