public class esercizio
{
  // arguments are passed using the text field below this editor
  public static void main(String[] args)
  {
    if (args.length == 0){
      System.out.println("Errore: nessuna stringa in input");
    }
    else {
      String maxString = "";
      for(int i=0;i<args.length;i++){
        if (maxString.length()<args[i].length()){
          maxString=args[i];}
      }
      System.out.println("la stringa piu' lunga e' "+ maxString);
    }
    }
}