public static void main(String[] args) { String s = "5*Toke*10"; Hashtable<String, Double> Ov = new Hashtable(); Ov.put("Toke", 10.0); Tokenizer myToken = new Tokenizer(s); IntoPost ITP = new IntoPost(myToken); TheQueue<String> The = ITP.translate(); Evaluate Eval = new Evaluate(The); double x = Eval.evaluate(Ov); System.out.println(x); }