Java.io.PipedReader.read() Method

Description

The java.io.PipedReader.read() method reads the next character of data from this piped stream. If no character is available because the end of the stream has been reached, the value -1 is returned. This method blocks until input data is available, the end of the stream is detected, or an exception is thrown.

Declaration

Following is the declaration for java.io.PipedReader.read() method

public int read()

Parameters

• NA

Return Value

This method does not return a value.

Exception

• IOException -- if an I/O error occurs.

Example

The following example shows the usage of java.io.PipedReader.read() method.

package com.tutorialspoint;

import java.io.*;

public class PipedReaderDemo {

   public static void main(String[] args) {

      // create a new Piped writer and reader
      PipedWriter writer = new PipedWriter();
      PipedReader reader = new PipedReader();

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

         // write something
         writer.write(70);
         writer.write(71);

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


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


   }
}

Let us compile and run the above program, this will produce the following result:

F
G