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You can look at the Java's java.io.Reader and java.io.Writer classes. These are abstract interfaces that can be used to read/write multiple sources/formats. Have generic methods like close(), read(), skip() in the reader interface and have your writer interface contain functions to write(), close(), save(), flush(), etc. The source/format of data is defined by the implementation you use for the abstract reader and writer.
- Imithya May 10, 2014For instance one format is String. To read and write the same we have a StringReader and a StringWriter. If you want to read from String but write to file then you use a StringReader(string) and write using the FileStreamWriter(filename).