question: public CActionDifferenceTraces ( final JFrame parent , final ITraceListProvider traceProvider , final TraceList trace1 , final TraceList trace2 ) { super ( String . format ( "%s - %s" , trace1 . getName ( ) , trace2 . getName ( ) ) ) ; m_parent = parent ; m_traceProvider = traceProvider ; m_trace1 = trace1 ; m_trace2 = trace2 ; }
target:  Creates a new action object.