private void initialiseInstanceVariables ( ) { backing = new HashMap <> ( ) ; booleanBacking = new HashSet <> ( ) ; locations = new HashMap <> ( ) ; // subContextCache is updated on the fly so ensure no concurrent modification. subcontextCache = Collections . synchronizedMap ( new HashMap ( ) ) ; runtimeProperties = new IncludeProperties ( "Runtime: added at runtime" ) ; }
This method initialises most of the instance variables .