csc test sorting lists by sum

import java.util.Arrays;
import java.util.ArrayList;
import java.util.Collections;

public class ArraySorting {
    public static void main(String[] args) {
        ArrayList<Integer[]> list = new ArrayList<Integer[]>();
        // Creating arrays of integers and populating
        Integer[] arr1 = {10,9,8,7,6};
        Integer[] arr2 = {5,4,3,2,1};
        Integer[] arr3 = {15,14,13,12,11};
        // Storing arrays in the arrayList
        list.add(arr1);
        list.add(arr2);
        list.add(arr3);

        //  Printing arrays before sorting or converting
        System.out.println("Array 1 before sorting: " + Arrays.toString(arr1));
        System.out.println("Array 2 before sorting: " + Arrays.toString(arr2));
        System.out.println("Array 3 before sorting: " + Arrays.toString(arr3));


        // Creating ArrayLists to represent the arrays since I can work with them better
        ArrayList<Integer> al1 = new ArrayList<Integer>(Arrays.asList(arr1));
        ArrayList<Integer> al2 = new ArrayList<Integer>(Arrays.asList(arr2));
        ArrayList<Integer> al3 = new ArrayList<Integer>(Arrays.asList(arr3));

        // Sorting all of the new ArrayLists
        Collections.sort(al1);
        Collections.sort(al2);
        Collections.sort(al3);

        // Printing sorted arrays
        System.out.println("Array 1 after sorting: " + al1);
        System.out.println("Array 2 after sorting: " + al2);
        System.out.println("Array 3 after sorting: " + al3);

        // Getting the sums of all the arrays
        int sum1 = 0;
        for(int i = 0; i < al1.size(); i++) {
            sum1 += al1.get(i);
        }
        int sum2 = 0;
        for(int i = 0; i < al1.size(); i++) {
            sum2 += al2.get(i);
        }
        int sum3 = 0;
        for(int i = 0; i < al1.size(); i++) {
            sum3 += al3.get(i);
        }


        System.out.println("ArrayList after sorting by sum: ");


        ArrayList<Integer[]> order = new ArrayList<Integer[]>();
        if (sum1<sum2) {
            if (sum2<sum3) {
                order.add(arr1);
                System.out.println("1: " + al1 + " with sum " + sum1);
                order.add(arr2);
                System.out.println("2: " + al2 + " with sum " + sum2);
                order.add(arr3);
                System.out.println("3: " + al3 + " with sum " + sum3);
                //sum1, sum2, sum3
            } else {
                if (sum1<sum3) {
                    order.add(arr1);
                    System.out.println("1: " + al1 + " with sum " + sum1);
                    order.add(arr3);
                    System.out.println("3: " + al3 + " with sum " + sum3);
                    order.add(arr2);
                    System.out.println("2: " + al2 + " with sum " + sum2);
                    //sum1, sum3, sum2
                } else {
                    order.add(arr3);
                    System.out.println("3: " + al3 + " with sum " + sum3);
                    order.add(arr1);
                    System.out.println("1: " + al1 + " with sum " + sum1);
                    order.add(arr2);
                    System.out.println("2: " + al2 + " with sum " + sum2);
                    //sum3, sum1, sum2
                }
            }

        }else {
            if (sum1<sum3) {
                order.add(arr2);
                System.out.println("2: " + al2 + " with sum " + sum2);
                order.add(arr1);
                System.out.println("1: " + al1 + " with sum " + sum1);
                order.add(arr3);
                System.out.println("3: " + al3 + " with sum " + sum3);
                //sum2, sum1, sum3
            } else {
                if (sum2<sum3) {
                    order.add(arr2);
                    System.out.println("2: " + al2 + " with sum " + sum2);
                    order.add(arr3);
                    System.out.println("3: " + al3 + " with sum " + sum3);
                    order.add(arr1);
                    System.out.println("1: " + al1 + " with sum " + sum1);
                    //sum2, sum3,sum1
                } else {
                    order.add(arr3);
                    System.out.println("3: " + al3 + " with sum " + sum3);
                    order.add(arr2);
                    System.out.println("2: " + al2 + " with sum " + sum2);
                    order.add(arr1);
                    System.out.println("1: " + al1 + " with sum " + sum1);
                    //sum3, sum2, sum1
                }
            }
        }
    }
}