fields 2nd adding to enums 2nd File IO ByteArrayInputStream characters and PrintStream OutputStream Piped InputStream Piped OutputStream File IO (input/output) input and output streams FileReader character encoding files 2nd 3rd 4th 5th 6th methods 2nd reading text from 2nd traversing 2nd 3rd writing text to 2nd 3rd FileWriter character encoding final declaring classes final final methods 2nd finally keyword exceptions 2nd float floating point types double float for each loop 2nd 3rd 4th for loops Free BSD binaries FreeBSD Foundation FreeBSD Unix-based operating system