Return an array containing the session identifiers of all Sessions currently saved in this Store. If there are no such Sessions, a zero-length array is returned. @return the session identifiers @exception IOException if an input/output error occurred
()
| 69 | * @exception IOException if an input/output error occurred |
| 70 | */ |
| 71 | String[] keys() throws IOException; |
| 72 | |
| 73 | |
| 74 | /** |
no outgoing calls