[Java] passare argomenti da CL

[anx721]

import java.io.*;
import java.text.*;

public class Test {
     public static void main(String[] args)
     {
         double x;
         if(args.length < 1)
             return;
         try
         {
             String s = args[0];
             DecimalFormat df = new DecimalFormat();
             Number n = df.parse(s);
             x=n.doubleValue();
         }
         catch (ParseException e) {x=0; }
         System.out.println(x);
     }
}