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javac -cp rabbitmq-client.jar Send.java Receiv.java
java -cp .:commons-io-1.2.jar:commons-cli-1.1.jar:rabbitmq-client.jar Receiv
echo "aaaa"  | java -cp .:commons-io-1.2.jar:commons-cli-1.1.jar:rabbitmq-client.jar Send

import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Channel;
import java.util.concurrent.TimeoutException;
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Send {
	private final static String QUEUE_NAME = "hello";

	public static void main(String[] argv) throws java.io.IOException, TimeoutException {
		ConnectionFactory factory = new ConnectionFactory();
		factory.setHost("localhost");
		Connection connection = factory.newConnection();
		Channel channel = connection.createChannel();
		
		channel.queueDeclare(QUEUE_NAME, false, false, false, null);
		String message = "Hello World!";
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String line;
		while((line = br.readLine()) != null) {            
			channel.basicPublish("", QUEUE_NAME, null, line.getBytes());
		}
		br.close();
	    channel.close();
	    connection.close();
	}
}

import com.rabbitmq.client.ConnectionFactory;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.Envelope;
import com.rabbitmq.client.AMQP;

import java.util.concurrent.TimeoutException;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Consumer;
import com.rabbitmq.client.DefaultConsumer;
import java.io.IOException;

public class Receiv {
	    private final static String QUEUE_NAME = "hello";
		public static void main(String[] argv) throws java.io.IOException, java.lang.InterruptedException, TimeoutException {
			ConnectionFactory factory = new ConnectionFactory();
			factory.setHost("127.0.0.1");
			Connection connection = factory.newConnection();
			Channel channel = connection.createChannel();
				
			channel.queueDeclare(QUEUE_NAME, false, false, false, null);
			System.out.println(" [*] Waiting for messages. To exit press CTRL+C");
																		        
			Consumer consumer = new DefaultConsumer(channel) {
				@Override
				public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body)
					throws IOException {
					String message = new String(body, "UTF-8");
					System.out.println(" [x] Received '" + message + "'");
				}
			};
			channel.basicConsume(QUEUE_NAME, true, consumer);
	}
}