object consists of {@code static} utility methods for operatingon objects, or checking certain conditions before operation.

A sequence of elements supporting sequential and parallel aggregate operations.

AlwaysEqualComparator returns 0 always.

DefaultComparator returns 0 if a == b, returns -1 otherwise.

NeverEqualComparator returns -1 always.

* * Returns a null-friendly comparator that considers {@code null} to be * less than non-null.

Null-friendly comparators.

* * This interface imposes a total ordering on the objects of each class that * implements it.

* * The <code>Runnable</code> interface should be implemented by any * class whose instances are intended to be executed by a thread.

The HandlerFunc type is an adapter to allow the use of ordinary functions as HTTP handlers.