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+<code java>
+package trasferimentoFile;
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.net.ServerSocket;
+import java.net.Socket;
+public class ServerDue {
+	public static final int PORTA = 12345;
+	private static final int MAXBUFFER = 1024;
+	private static final int MAXNAMELEN = 1024;
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) {
+		try {
+			String destDir = args[0];
+			ServerSocket ss = new ServerSocket(PORTA);
+			while(true) {
+				Socket s = ss.accept();
+				InputStream is = s.getInputStream();
+				BufferedReader br = new BufferedReader(new InputStreamReader(is));
+				String filename = br.readLine();
+				System.out.println("Mi preparo a ricevere il file <"+filename+">");
+				BufferedWriter bw = new BufferedWriter(new FileWriter(destDir+"/"+filename));
+				char [] buffer = new char[MAXBUFFER];
+				int letti = br.read(buffer, 0, MAXBUFFER);
+				while(letti>0) {
+					bw.write(buffer, 0, letti);
+					letti = br.read(buffer, 0, MAXBUFFER);
+				}
+				br.close();
+			}
+		} catch (FileNotFoundException e) {
+			System.out.println("Errore nella creazione del file di output");
+		} catch (IOException e) {
+			e.printStackTrace();
+		} catch(ArrayIndexOutOfBoundsException e) {
+			System.out.println("Usage is:\njava Server directoryDestinazione");
+		}
+	}
+}
+</code>