java.nio.channels package.
Only developers who are defining new selector providers should need to make direct use of this package.
 Unless otherwise noted, passing a null argument to a constructor
or method in any class or interface in this package will cause a NullPointerException to be thrown.
  
| AbstractInterruptibleChannel | Base implementation class for interruptible channels. | 
| AbstractSelectableChannel | Base implementation class for selectable channels. | 
| AbstractSelectionKey | Base implementation class for selection keys. | 
| AbstractSelector | Base implementation class for selectors. | 
| SelectorProvider | Service-provider class for selectors and selectable channels. |