Минимальное из N чисел

Scanner console = new Scanner(System.in);

int N = console.nextInt();
if (N > 0)

{
    int[] arrayN = new int[N];
    for (int i = 0; i < N; i++)
    {
        arrayN[i] = console.nextInt();
    }
    Arrays.sort(arrayN);
    System.out.println(arrayN[0]);
}

Scanner sc = new Scanner(System.in);
        int countNum = sc.nextInt();
        array = new int[countNum];
        int minNum = Integer.MAX_VALUE;
        for (int i = 0; i < array.length; i++) {
            array[i] = sc.nextInt();
            if (minNum > array[i]) {
                minNum = array[i];
            }
        }
        System.out.println(minNum);

array = new int[N];

Scanner s = new Scanner(System.in);
int N = s.nextInt();
array = new int[N];
for (int i = 0; i < array.length; i++)
{
    array[i] = s.nextInt();
}

int min = array[0];
for (int i = 0; i < N; i++){
    if (array[i] < min){
        min = array[i];
    }
}
System.out.println(min);