Java PipedWriter() Constructor

public PipedWriter()

import java.io.*;
/*from   w  w w .  j  a va  2s. c  o m*/
public class Main {

   public static void main(String[] args) {

      PipedWriter writer = new PipedWriter();
      PipedReader reader = new PipedReader();

      try {
         // connect the reader and the writer
         writer.connect(reader);

         
         writer.write('A');
         writer.write('B');

         // print what we wrote
         for (int i = 0; i < 2; i++) {
            System.out.println((char) reader.read());
         }

      } catch (IOException ex) {
         ex.printStackTrace();
      }


   }
}