Java - BufferedReader and BufferedWriter and InputStreamReader

BufferedWriter

        It is used to write data to particular o/p stream and to avoid system call(OS) occurence for every process.

constructor:-

BufferedWriter(Writer);

methods:-

public void newLine();

BufferedReader

        It is used to read data from particular i/p stream and to avoid system call(OS) occurence for every process.

constructor:-

BufferedReader(Reader);

method:-

public String readLine();

InputStreamReader

        It acts as bridge between byte-oriented and char-oriented streams.

constructor:-

InputStreamReader(InputStream);