How to implement in JEditorPane on text changed

How to implement in JEditorPane on text ch开发者_开发问答anged method ( get text on every character added or deleted ) ?

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You need to register a document listener with the document of the JEditorPane which will be notified when text is inserted or removed or when the text style changes.

Take a look at Java Tutorial > How to Write a Document Listener for more information about document listeners and document events.