/**
* Grow the internal array as needed to accommodate the specified number of elements. The size of
* the array bytes on each resize unless capacity requires more than twice the current capacity.
*/
public void ensureCapacity(int capacity) {
int oldCapacity = capacity();
if (capacity > oldCapacity) {
int newCap = Math.max(oldCapacity << 1, capacity);
_data.resize(newCap);
}
}
/**
* Flushes the internal state of the list, setting the capacity of the empty list to
* <tt>capacity</tt>.
*/
public void clear(int capacity) {
_data.resize(capacity);
_data.clear();
_pos = 0;
}
/** Sheds any excess capacity above and beyond the current size of the list. */
public void trimToSize() {
if (capacity() > size()) {
_data.resize(size());
}
}