This document describes how to implement ArrayList in a block coding manner.

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As of April 17, 2025, ArrayList's name has been changed to List.

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• Index

▶Definition of List

• List is a data structure that uses continuous memory space to have data.

▶List Block

• Introduces the blocks entered the List category of SyncTree NBlock.

1) List

• Used to create (declare) an List data structure.

• In Values, various values are put in depending on the data type or data structure (Map, Array, etc.)
• Click the ⚙️ button to add or remove Value items.

• Below is an example of the List block declaration.