Java tutorial
import java.io.PipedReader; import java.io.PipedWriter; public class Main { public static void main(String[] args) { try { PipedReader reader = new PipedReader(); PipedWriter writer = new PipedWriter(reader); // 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()); } writer.close(); } catch (Exception ex) { ex.printStackTrace(); } } }