JAVA EE: Java Tutorial : Java IO (PipedReader and PipedWriter-V2)

Tuesday, 20 September 2016

Java Tutorial : Java IO (PipedReader and PipedWriter-V2)

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Java Tutorial : Java IO (PipedReader and PipedWriter-V2)

PipedReadWriteDemo.java

import java.io.IOException;
import java.io.PipedReader;
import java.io.PipedWriter;

/*
 * Here, we have created two threads thread1 and
 * thread2. The thread1 thread writes the data using the
 * PipedWriter object and the thread2 thread reads the
 * data from that pipe using the PipedReader object.
 * Both the pipedWriter and pipedreader objects are
 * connected with each other.
 */
public class PipedReadWriteDemo
{

    public static void main(String[] args) throws IOException
    {

        final PipedWriter pw = new PipedWriter();
        final PipedReader pr = new PipedReader(pw);

        Thread thread1 = new Thread(new Runnable()
        {
            @Override
            public void run()
            {
                try
                {
                    pw.write("Hello peter, Welcome to india.");
                    Thread.sleep(1000);
                }
                catch (Exception exe)
                {
                    exe.printStackTrace();
                }
                try
                {
                    pw.close();
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }

        });

        Thread thread2 = new Thread(new Runnable()
        {
            @Override
            public void run()
            {
                try
                {
                    int data = pr.read();
                    while (data != -1)
                    {
                        System.out.print((char) data);
                        data = pr.read();
                    }

                }
                catch (Exception exe)
                {
                    exe.printStackTrace();
                }
                try
                {
                    pr.close();
                }
                catch (IOException e)
                {
                    e.printStackTrace();
                }
            }
        });

        thread1.start();
        thread2.start();

    }
}