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 import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.Serializable;
import java.rmi.Naming;
import java.rmi.Remote;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;
import java.util.HashMap;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
public class RunRouterPattern {
  public static void main(String[] arguments) {
    System.out.println("Example for the Router pattern");
    System.out
        .println("This code same will create a series of GUIs, and use");
    System.out
        .println(" the Router pattern to map message notifications between");
    System.out
        .println(" them. In this code example, the Router will send messages");
    System.out
        .println(" between the GUI clients based on the following mapping:");
    System.out.println();
    System.out.println("\tGUI # 1:\tGUI #2\tGUI #3");
    System.out.println("\tGUI # 2:\tGUI #1\tGUI&nbs


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