public class Lister {
    public static void main(String[] args) {
        // a)
        int[] liste = new int[10];
        for (int i=0; i<liste.length; i++) {
            liste[i] = i;
        }
        for (int i :  liste) {
            System.out.println(i);
        }
        // b)
        System.out.println("\n\nOppgave b:");
        for (int i=liste.length-1; i>=0; i--) {
            System.out.println(liste[i]);
        }

        // c)
        System.out.println("\n\nOppgave c:");
        int sum = 0;
        for (int i=0; i<liste.length; i++) {
            sum += liste[i];
            System.out.println(liste[i] + " " + sum);
        }

        // d)
        System.out.println("\n\nOppgave d:");
        String tekst = "";
        for (int i : liste) {
            tekst += i;
            System.out.println(tekst);
        }

        // e)
        System.out.println("\n\nOppgave e:");
        String[] stjerner = new String[10];
        for (int i=0; i<stjerner.length; i++) {
            stjerner[i] = "";
            for (int j=0; j<i+1; j++) {
                stjerner[i] += "*";
            }
        }
        for (String s : stjerner) {
            System.out.println(s);
        }
    }   
}