[Term Entry] Java ArrayList .iterator()

[Codecademy-docs]

Reason/inspiration (optional)

Please add the .iterator() method as a new term entry for ArrayList�. Provide the entry in a markdown file and place under the file path content/java/concepts/array-list/terms/iterator/iterator.md

The entry should have the following:
� An introductory paragraph about what the method is and does.
� A syntax section with a pseudo code block with an explanation of it.
� An example showing the method in use.

Please refer to the term entry templates, content standards, and markdown style guide when working on the PR for this issue.

Entry Type (select all that apply)

New Term for Existing Concept Entry

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[Jason Kniss]

@codecademy-docs I'm interested in being assigned this issue. I am working on the Codecademy Git and GitHub Course.

[Kyra Thompson]

@JMKniss You're assigned. In addition to the documents linked in the description, please also look at our Contribution Guide if you haven't already. After creating a PR, the maintainer(s) (with the collaborator label) will add comments/suggestions to address any revisions before approval.

Is this your first contribution to Codecademy Docs? If so, we're curious to know how you found out about contributing to Docs.

[Pankaj]

@JMKniss Are you still working on this issue? Note that there's a chance you could be unassigned next week for inactivity. Let me know if you need help. Thanks!