a person who is skilled in relating stories and anecdotes interestingly. Origin of raconteur. 1820-1830. 1820-30; < French, equivalent to racont(er) to tell (Old French r(e)- re- + aconter to tell, account) + -eur -eur.
1 An abnormal curve of the lumbar spine is lordosis, also called sway back. 2  An abnormal curve of the thoracic spine is kyphosis, also called hunchback.  An abnormal curve from side-to-side is called scoliosis.
It is a generic type parameter, see Generics documentation. T is not a reserved keyword. T, or any given name, means a type parameter. Check the following method (just as a simple example). Note that the return type is T.n the example you gave of a, the T is a placeholder for an arbitrary type; it means that SampleCollection can represent a collection of objects, the type of which you specify when you create the collection. So: