Writing-and-Reading Text from File - JAVA,
BufferedReader and BufferedWriter are part of Java's I/O package (java.io) and are used to read and write text efficiently.
BufferedReader: Used to read text from a character-based input stream, efficiently using an internal buffer. Reading from a file, console input, or any other Reader source.
BufferedWriter: Used to write text to a character-based output stream efficiently. Writing to a file, with reduced disk I/O operations due to buffering.