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This article mainly explains "how to use the Java list collection". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to use the Java list collection".

Common methods of list collection

/ / add

Void add (String item)

/ / insert elements at a specified location, and all subsequent elements move back one element.

Void add (int index, E element)

/ / insert all the elements of the c collection at the specified location, and return true if the collection changes, false otherwise

Boolean addAll (int index, Collection

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