public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int[] array = new int[20]; for (int i = 0; i < array.length; i++) { array[i] = Integer.parseInt(reader.readLine()); } sortieren(array); for (int x : array) { System.out.println(x); } } public static void sortieren(int[] array) { //schreib hier deinen Code int j = 0; while (j < array.length) { int max = 0; for (int i = j; i < array.length; i++) if (max < array[i]) max = array[i]; for (int i = j; i < array.length; i++) if (array[i] == max) { int temp = array[j]; array[j] = array[i]; array[i] = temp; } j++; } } } в консоле вроде все правильно