How do I read from a file that is actually being written to?

public class Writer extends Object
{
    Writer () {

    }

    public static String[] strings = 
        {
            "Hello World", 
            "Goodbye World"
        };

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

        java.io.PrintWriter pw =
            new java.io.PrintWriter(new java.io.FileOutputStream("out.txt"), true);

        for(String s : strings) {
            pw.println(s);
            System.in.read();
        }

        pw.close();
    }
}

public class Reader extends Object
{
    Reader () {

    }

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

        java.io.FileInputStream in = new java.io.FileInputStream("out.txt");

        java.nio.channels.FileChannel fc = in.getChannel();
        java.nio.ByteBuffer bb = java.nio.ByteBuffer.allocate(10);

        while(fc.read(bb) >= 0) {
            bb.flip();
            while(bb.hasRemaining()) {
                System.out.println((char)bb.get());
            }
            bb.clear();
        }

        System.exit(0);
    }
}

Tags: java file-io file

Source: By Anthony Cramp as answer to the question

This code snippet was collected from stackoverflow, and is licensed under CC BY-SA 3.0

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How do I read from a file that is actually being written to?

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