public class Heltal {
    private int talet;
    public void inkrementera() {
	++talet;
    }
    private static int antal = 0;
    public final int instansnummer = antal++;
    public static int konvertera(String s) {
	return Integer.parseInt(s);
    }
    public static void main(String[] args) {
        Heltal h = new Heltal();
	Heltal.konvertera("13");
	h.konvertera("13");
	konvertera("13");
	h.inkrementera();
    } // main
} // class Heltal