question: returns an already initialised instance of connections , if connections has yet to be created , it will create and return that instance concode_field_sep Persistence persistence concode_elem_sep Connections instance concode_elem_sep HashMap<String,Connection> connections concode_field_sep MqttAndroidClient createClient concode_elem_sep Connection getConnection concode_elem_sep void removeConnection concode_elem_sep void addConnection concode_elem_sep Map<String,Connection> getConnections
target: Connections function ( Context arg0 ) { if ( instance == null ) { instance = new Connections ( arg0 ) ; } return instance ; }