/** Inserts the specific node to this tree. */
public boolean insertNode(int index, DEPNode node) {
try {
add(index, node);
reassignIDs(index);
return true;
} catch (IndexOutOfBoundsException e) {
e.printStackTrace();
return false;
}
}
/** Removes the specific node from this tree. */
public boolean removeNode(int index) {
try {
remove(index);
reassignIDs(index);
return true;
} catch (IndexOutOfBoundsException e) {
e.printStackTrace();
return false;
}
}
