question: returns the singleton instance . concode_field_sep Thread updater concode_elem_sep long millis concode_elem_sep CoarseCachedClock instance concode_elem_sep Object INSTANCE_LOCK concode_field_sep long currentTimeMillis concode_elem_sep void run
target: CoarseCachedClock function ( ) { CoarseCachedClock loc0 = instance ; if ( loc0 == null ) { synchronized ( INSTANCE_LOCK ) { loc0 = instance ; if ( loc0 == null ) { instance = loc0 = new CoarseCachedClock ( ) ; } } } return loc0 ; }