The BufferedWriter class is used for fast writing operations of texts to a character-output stream. It can be used to write single characters, arrays, and strings of data. The size of buffer may or may not be specified. The BufferedWriter class has the newLine() method that is used to create platform-specific line separators, as some platforms do not support the new line character (‘\n’) to terminate lines.
The BufferedReader class is used for fast reading operations of texts from a character-input stream. It can be used to read single characters, arrays, and lines of data. The size of buffer may or may not be specified. The readLine() method of the BufferedReader class can be used to get the next line of characters from a file, and the skip(long n) method can be used to skip n number of characters.
The PrintWriter class extends the Writer class and implements the Closeable, Flushable, and Appendable interfaces. It is used for writing multiple-byte character sets and formatted representations of objects to a text-output stream. Methods in this class do not throw I/O exceptions
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