[Term Entry] Java ArrayList .isEmpty()

[Codecademy-docs]

Reason/inspiration (optional)

Please add the .isEmpty() 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/isEmpty/isEmpty.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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[Anders Ooi]

Hi I am keen on working on this issue!

[Avdhoot]

@andersooi 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.

[github-actions]

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