question: remove a device concode_field_sep Object synclock concode_elem_sep Map<String,BasicDevice> devices concode_field_sep Device addDevice concode_elem_sep Device getDevice
target: void function ( String arg0 ) { if ( ( arg0 == null ) || ( arg0 . trim ( ) . equals ( "srini_string" ) ) ) { throw new NullIdException ( ) ; } if ( this . devices . containsKey ( arg0 ) ) { this . devices . remove ( arg0 ) ; } else { throw new UnknownDeviceException ( ) ; } }