int[] arr = {23, 50, 21, 12, 44, 30};
boolean isSorted = false;
while (!isSorted) {
isSorted = true;
for (int i = 1; i < arr.length; i++) {
if (arr[i] < arr[i - 1]) {
int temp = arr[i];
arr[i] = arr[i - 1];
arr[i - 1] = temp;
isSorted = false;
}
}
System.out.println(Arrays.toString(arr));
}
Это код пузырьковая сортировка