// URL-Encoder armouring
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.net.URLEncoder;
...
String toSend = "The \"quick\" brown\nfox.";

// encoding a String
String send = URLEncoder.encode( toSend, "UTF-8" );

// decoding the String
String reconstituted = URLDecoder.decode( received, "UTF-8" );