import java.awt.*;
import java.applet.*;
import java.net.*;
import java.io.*;

public class prova extends Applet {


server = "193.70.192.50";
sock = new socket(server, 25);
PrintWriter out = new PrintWriter(sock.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader( sock.getInputStream()));

}


di errori mi dà:

ILLEGAL START OF TYPE (sulla riga del try)

<identifier> expected (sulla rica del catch)