question: add a command to the high priority queue concode_field_sep Vector<String> level3 concode_elem_sep Vector<String> level2 concode_elem_sep Semaphore commandsAvailable concode_elem_sep Vector<String> level1 concode_field_sep void addMediumLevel concode_elem_sep String getCommand concode_elem_sep int numCommands concode_elem_sep void addLowLevel
target: void function ( String arg0 ) { this . level1 . add ( arg0 ) ; commandsAvailable . release ( ) ; }