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Home » Language IDEs » Java Development Tools (JDT) » question about how Listeners work
question about how Listeners work [message #913022] Fri, 14 September 2012 16:02
ben agai is currently offline ben agaiFriend
Messages: 36
Registered: July 2012
hi, i want to ask about how the listeners in java work.
if a class that i created, in this case DocInfo, implements IDocumentListener interface, and a DocumentEvent has occoured, could it be that before the current DocumentEvent has finished the documentChanged(DocumentEvent event) function another DocumentEvent will occour and activate the documentChanged(DocumentEvent event) function simultaneously?

here is the code below, thanks.

package handlevent.handlers;

import org.eclipse.jface.text.DocumentEvent;
import org.eclipse.jface.text.IDocumentListener;

public class DocInfo implements IDocumentListener{

public void documentAboutToBeChanged(DocumentEvent event) {
// TODO Auto-generated method stub


public void documentChanged(DocumentEvent event) {
// TODO Auto-generated method stub
System.out.println("document has been changed:");

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