MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;

public class MainClass {

    public static void main(String[] args) throws IOException {
        PipedOutputStream pout = new PipedOutputStream();
        PipedInputStream pin = new PipedInputStream(pout);

        NumberProducer fw = new NumberProducer(pout, 20);
        NumberConsumer fr = new NumberConsumer(pin);
        fw.start();
        fr.start();
    }
}

class NumberProducer extends Thread {
    private DataOutputStream theOutput;
    private int howMany;

    public NumberProducer(OutputStream out, int howMany) {
        theOutput = new DataOutputStream(out);
        this.howMany = howMany;
    }

    public void run() {
        try {
            for (int i = 0; i < howMany; i++) {
                theOutput.writeInt(i);
            }
        } catch (IOException ex) {
            System.err.println(ex);
        }
    }
}

class NumberConsumer extends Thread {

    private DataInputStream theInput;

    public NumberConsumer(InputStream in) {
        theInput = new DataInputStream(in);
    }

    public void run() {

        try {
            while (true) {
                System.out.println(theInput.readInt());
            }
        } catch (IOException ex) {
            if (ex.getMessage().equals("Pipe broken") || ex.getMessage().equals("Write end dead")) {
                // normal termination
                return;
            }
            ex.printStackTrace();
        }
    }
}