@Override

public <T extends Comparable<T>> T[] sort(T[] array){

int size = array.length;

for (int i = 0; i < size; i++) {

T max = array[0];

int index = 0;

for (int j = 0; j < size - i; j++) {

if ( less(max, array[j]) ) {

max = array[j];

index = j;

}

}

flip(array, index, array.length - 1 - i);

}

return array;

}

public static void main(String[] args) {

Integer[] arr = {10, 9, 8, 7, 6, 15, 14, 7, 4, 3, 8, 6, 3, 1 ,2, -2, -5, -8, -3, -1, 13, 12, 11, 5, 4, 3, 2, 1};

PancakeSort pancakeSort = new PancakeSort();

System.out.println("After sorting:");

pancakeSort.sort(arr);

print(arr);

}