Oppgave 1 - 5

  import java.util.Arrays;
  import java.util.stream.IntStream;
  import java.util.OptionalInt;
  import java.util.OptionalDouble;
  import java.util.IntSummaryStatistics;

  public class Program
  {
    public static void main(String ... args)
    {
      int[] a = {8,3,5,7,9,6,10,2,1,4};

      IntStream s = Arrays.stream(a);
      System.out.printf("%-8s%3d\n", "maks: ", s.max().getAsInt());

      s = Arrays.stream(a);
      System.out.printf("%-8s%3d\n", "min: ", s.min().getAsInt());

      s = Arrays.stream(a);
      System.out.printf("%-8s%3d\n", "sum: ", s.sum());

      s = Arrays.stream(a);
      System.out.printf("%-8s%3.1f\n","snitt: ", s.average().getAsDouble());

      s = Arrays.stream(a);
      IntSummaryStatistics k =  s.summaryStatistics();
      System.out.printf("%-8s%3d\n", "maks: ", k.getMax());
      System.out.printf("%-8s%3d\n", "min: ", k.getMin());
      System.out.printf("%-8s%3d\n", "sum: ", k.getSum());
      System.out.printf("%-8s%3d\n", "antall: ", k.getCount());
      System.out.printf("%-8s%3.1f\n","snitt: ", k.getAverage());
    }
  }