Shulou(Shulou.com)06/01 Report--

Editor to share with you the principle analysis of LinkedList using iterator to optimize the removal of batch elements in java, I believe most people do not know much about it, so share this article for your reference. I hope you will learn a lot after reading this article. Let's learn about it together.

The details are as follows:

Public interface Iterator {/ * whether there is another element * / boolean hasNext (); / * next element * / E next (); / * remove the last returned element from the collection * / default void remove () {throw new UnsupportedOperationException ("remove") } / * pass in a Consumer to perform the specified operation on each remaining element until all elements have been handled or the operation throws an exception * / default void forEachRemaining (Consumer

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