public boolean remove(long key) {
int oldSize = size();
super.addOrRemove(key, 0, null, null, true);
return oldSize != size();
}
public boolean add(int key) {
int oldSize = size();
super.addOrRemove(key, 0, null, null, false);
return oldSize != size();
}
public boolean put(long key, int value) {
int oldSize = size();
super.addOrRemove(key, value, null, null, false);
return oldSize != size();
}
public boolean remove(int key) {
int oldSize = size();
super.addOrRemove(key, 0, null, null, true);
boolean result = oldSize != size();
if (result) {
int[] array = toArray();
super.clear();
for (int i = 0; i < array.length; i++) {
add(array[i]);
}
}
return result;
}