import java.util.Random;
public class test
{
    public static void test1(){
        Random r = new Random();
        int[] arr = new int[5];
        for (int i = 0; i < arr.length; i++){
            arr[i] = r.nextInt();
        }
        LinkedList<Integer> test = new LinkedList(arr);
        
        System.out.println(test);
        System.out.println(test.erste());
        System.out.println(test);
        System.out.println(test.getNtenWert(2));
        System.out.println(test.getNtenWert(23));
        
        //LinkedList<String> test2 = new LinkedList<String>([{"Hallo", "Welt"}]);
        
        
    }
    public static void test2(){
        Node<String> n = new Node<String>("Hallo");
        Node<Integer> i = new Node<Integer>(5);
        
        
    }
    public static void testList(){
        List<Integer> l = new List<Integer>();
        l.add(1);
        l.add(3);
        l.remove(0);
        System.out.println(l.get(0));
    }
    public static void testset(){
        Set<Integer> test = new Set<Integer>();
        for (int i = 0; i<20 ; i++){
            test.add(i);
        }
        Set<Integer> s = new Set<Integer>();
        for (int i = 11; i < 16; i++){
            s.add(i);
        }
        System.out.println(test);
        test.remove(2);
        System.out.println(test);
        System.out.println(test.subset(s));
        System.out.println(test.difference(s));
        System.out.println(test.union(s));
        System.out.println(test.intersection(s));
    }
}