如何按分隔符对字符串ArrayList进行排序

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;

public class StringArrayListSort {
    public static void main(String[] args) {
        ArrayList<String> stringArrayList = new ArrayList<>();
        stringArrayList.add("John,25,Male");
        stringArrayList.add("Alice,30,Female");
        stringArrayList.add("Bob,20,Male");

        String delimiter = ",";

        // Step 1: Split strings by delimiter
        ArrayList<String[]> splitArrayList = new ArrayList<>();
        for (String str : stringArrayList) {
            String[] splitArray = str.split(delimiter);
            splitArrayList.add(splitArray);
        }

        // Step 2: Sort by a specific column
        Collections.sort(splitArrayList, new Comparator<String[]>() {
            @Override
            public int compare(String[] o1, String[] o2) {
                // Sort by the second column (age)
                return Integer.compare(Integer.parseInt(o1[1]), Integer.parseInt(o2[1]));
            }
        });

        // Step 3: Join the sorted array back to ArrayList
        ArrayList<String> sortedArrayList = new ArrayList<>();
        for (String[] splitArray : splitArrayList) {
            String sortedString = String.join(delimiter, splitArray);
            sortedArrayList.add(sortedString);
        }

        // Print the sorted ArrayList
        for (String str : sortedArrayList) {
            System.out.println(str);
        }
    }
}