String date="Today is Sunday.";String str2=data.CharAt(s.length( )-1);则str2为()A、yB、.C、nullD、false

String date="Today is Sunday.";String str2=data.CharAt(s.length( )-1);则str2为()

  • A、y
  • B、.
  • C、null
  • D、false

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