String[] result = new String[symbols.size()]; Object[] keys = symbols.keys(); for (int i = 0; i < keys.length; i++) result[i] = (String) keys[i]; return result; }
String[] result = new String[symbols.size()]; Object[] keys = symbols.keySet().toArray(); for (int i = 0; i < keys.length; i++) result[i] = (String) keys[i]; return result; }
    public String[] getSymbols() {        String[] result = new String[symbols.size()];        Object[] keys = symbols.keys();        for (int i = 0; i < keys.length; i++)            result[i] = (String) keys[i];        return result;    }