Refresh Your Java - Before Java Interview
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You can call invokeLater() from any thread to
request the event-dispatching threadto
run certain code.
You must put this code in the run() method of a Runnableobject
and
specify the Runnable object as the argument
to
// Called from non-UI thread
private
void runQueries() {
for (int i = 0; i
< noQueries; i++) {
runDatabaseQuery(i);
updateProgress(i);
}
}
private void
updateProgress(final int queryNo) {
SwingUtilities.invokeLater(new
Runnable() {
public void
run() {
// Here, we can
safely update the GUI
// because
we'll be called from the
// event
dispatch thread
statusLabel.setText("Query: " + queryNo);
}
});
}
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