Analisar o codigo!

import java.rmi.registry.Registry; 
import java.rmi.registry.LocateRegistry ; 
import java.rmi.RemoteException; 
import java.rmi.AlreadyBoundException; 
import java.rmi.server.UnicastRemoteObject; 
import java.io.IOException; 
public class ServidorImpl implements Servidor{ 
private MeuBean obj; 
public ServidorImpl(){ 
obj = new MeuBean( ); 
inicia(); 
} 
public MeuBean getBean(){ 
return obj; } 
public void inicia(){ 
try{ //Exporta o objeto remoto 
Servidor stub = (Servidor) UnicastRemoteObject.exportObject (this, 0); 
//Liga o stub do objeto remoto no registro, e inicia o RMIRegistry na porta 1000 
Registry registry = LocateRegistry.createRegistry(1000); 
//Dá um nome pra ele no registro 
registry.bind ("Servidor", stub); 
System.out.println ("Servidor iniciado?"); 
}catch(RemoteException Re){ 
System.out.println(Re.getMessage()); 
}catch(AlreadyBoundException ABe){ 
System.out.println(ABe.getMessage()); 
}catch(IOException IOe){ 
System.out.println(IOe.getMessage()); 
} 
} 
public static void main(String args[]){ 
new ServidorImpl(); 
} 
}

/**
 * @(#)ServidorThread.java
 *
 *
 * @author Lucas Lopes Nunes
 * @version 1.00 2008/4/25
 */
 
import java.io.*;
import java.net.*;  
 
public class ServidorThread extends Thread{	
	ServerSocket servidor;
	Socket socket;
	DataInputStream in;
	DataOutputStream out;
			
	public ServidorThread(){
		start();
	}
	public void run(){			
		try{
			System.out.println("Aguardando conexão... ");		
			servidor = new ServerSocket(80);	
			socket = servidor.accept();
			
			System.out.println("Conexão estabelecida...");	
			in = new DataInputStream(socket.getInputStream());
			out = new DataOutputStream(socket.getOutputStream());
			while(socket.isConnected()){				
				System.out.println("Servidor: Conectado.");
				sleep(1000);
			}	
			System.out.println("Servidor: Desconectado.");		
		} catch(Exception e){
			e.printStackTrace();
		} finally{
			try{
				servidor.close();
				socket.close();
				in.close();
				out.close();
			} catch(Exception se){
				se.printStackTrace();
			}			
		}
	}
	public static void main(String []args){
		ServidorThread st = new ServidorThread();
	}
}

/**
 * @(#)ClienteSocket.java
 *
 *
 * @author Lucas Lopes Nunes
 * @version 1.00 2008/4/25
 */
import java.io.*;
import java.net.*;   

public class ClienteThread extends Thread{	
	Socket cliente;
	DataInputStream in;
	DataOutputStream out;
		
	public ClienteThread(){
		start();
	}
	public void run(){			
		try{		
			cliente = new Socket("localhost",80);
			in = new DataInputStream(cliente.getInputStream());
			out = new DataOutputStream(cliente.getOutputStream());
			while(cliente.isConnected()){				
				System.out.println("Cliente: Conectado.");
				sleep(1000);
			}
			System.out.println("Cliente: Desconectado.");
		} catch(Exception e){
			e.printStackTrace();
		} finally{
			try{					
				cliente.close();
				in.close();
				out.close();
			} catch(Exception se){
				se.printStackTrace();
			}
		
		}
	}
	public static void main(String []args){
		ClienteThread cliente = new ClienteThread();
	}
}