SPLITTASK

import java.lang.reflect.Array;
import java.util.*;
public class splittask {
    public static void main(String[] args) {
        String input = "3 2 4  5 | 3 45 5 | 3 8 7";
        input = input.replaceAll("\\s+", "");
        String[] splitinput = input.split("\\|");
        for(int i = splitinput.length-1;i>-1;i--){
            for(int j =0;j<splitinput[i].length();j++){
                System.out.print(splitinput[i].charAt(j)+" ");
            }
        }
    }
}