They are both the same.
DefaultListModel Vector .
clear() , Vector , API Collection.
1.3 Collections API , Vector , List.
, , , .
Java:
/**
* Removes all components from this list and sets its size to zero.
* <blockquote>
* <b>Note:</b> Although this method is not deprecated, the preferred
* method to use is <code>clear</code>, which implements the
* <code>List</code> interface defined in the 1.2 Collections framework.
* </blockquote>
*
* @see #clear()
* @see Vector#removeAllElements()
*/
public void removeAllElements() {
int index1 = delegate.size()-1;
delegate.removeAllElements();
if (index1 >= 0) {
fireIntervalRemoved(this, 0, index1);
}
}