ПОмогите понять
package com.javarush.task.task07.task0712;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Самые-самые
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> strings = new ArrayList<>();
int max = Integer.MIN_VALUE;
int min = Integer.MAX_VALUE;
int maxx = 0;
int minn = 0;
for (int i = 0; i <10 ; i++) {
String s = reader.readLine();
strings.add(s);
}
for (int i = 0; i < strings.size(); i++) {
if(strings.get(i).length() > max){
max = strings.get(i).length();
}
}
for (int i = 0; i < strings.size(); i++) {
if(strings.get(i).length() < min){
min = strings.get(i).length();
}
}
for (int i = 0; i < strings.size(); i++) {
if (strings.get(i).length() == min) {
maxx = strings.indexOf(strings.get(i));
}
else if (strings.get(i).length()==max){
minn = strings.indexOf(strings.get(i));
}
}
if(maxx>minn){
System.out.println(strings.get(minn));
}
else {
System.out.println(strings.get(maxx));
}
}
}