/**
* Remove the first null element found in the specified vector. Return true if a null element was
* found and removed. Return false if a null element was not found.
*/
private boolean removeNullElement(Vector v) {
for (int i = 0; i < v.size(); i++) {
if (v.elementAt(i) == null) {
v.removeElementAt(i);
return true;
}
}
return false;
}
