Task 3

public class sp {
    public static void main(String[] args) {
        String number = " 12 56 71 | 90 87 67 | 33 47 65";
        number = number.replaceAll("\\s+","");
        System.out.println("Current array:" + number);
        String[] numbers = number.split("\\|");
        for (int i = numbers.length -1; i > -1 ; i--) {
            System.out.print(numbers[i]);
            }
        }
    }