Java.io.PipedReader.ready() 方法

package com.codingdict;



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);



         // check if reader is ready to read

         System.out.println("" + reader.ready());



         // print the char array

         for (int i = 0; i < 2; i++) {

            System.out.println("" + (char) reader.read());

         }



      } catch (IOException ex) {

         ex.printStackTrace();

      }

   }

}