Characteristic value signifying that the element source may be safely concurrently modified (allowing additions, replacements, and/or removals) by multiple threads without external synchronization.

Characteristic value signifying that, for each pair of encountered elements x, y, !x.equals(y).

Characteristic value signifying that the element source cannot be structurally modified; that is, elements cannot be added, replaced, or removed, so such changes cannot occur during traversal.

Characteristic value signifying that the source guarantees that encountered elements will not be null.

Characteristic value signifying that an encounter order is defined for elements.

Characteristic value signifying that the value returned from estimateSize() prior to traversal or splitting represents a finite size that, in the absence of structural source modification, represents an exact count of the number of elements that would be encountered by a complete traversal.

Characteristic value signifying that encounter order follows a defined sort order.

Performs the given action for each remaining element, sequentially in the current thread, until all elements have been processed or the action throws an exception.

If a remaining element exists, performs the given action on it, returning true; else returns false.