Reading Effictive java: static member class (SMC) and nonstatic member class(NSC)
Misunderstandingofstaticmemberclass:Formostprogrammers,comparingtoSMC,wemaybemorefamiliar withstaticfield.sowemayanalogouslyguesshowSMCworksaccordingtostaticfield'sfeature.Thatleadstoamisunderstanding