Вроде все выводит, но не принимает
package com.javarush.task.task39.task3901;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.*;
/*
Уникальные подстроки
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Please enter your string: ");
String s = bufferedReader.readLine();
System.out.println("The longest unique substring length is: \n" + lengthOfLongestUniqueSubstring(s));
}
public static int lengthOfLongestUniqueSubstring(String s) {
if (s == "" || s == null) return 0;
char[] chars = s.toCharArray();
int length = 0;
int count = 0;
List<Character> list = new ArrayList<>();
//TreeSet<Integer> treeSet = new TreeSet<>();
for (int i = 0; i < chars.length; i++) {
if (!list.contains(chars[i])) {
count++;
list.add(chars[i]);
} else {
//treeSet.add(length);
if (length < count) length = count;
count = 1;
}
}
return length;
}
}