I have worked at this exercise for several hours... and finally generated the output that seems to fulfill the task requirements and, yet, no-go! If anyone can see any hidden clues to my situation in my code I would love some advice! : )
package com.codegym.task.task08.task0812;

import java.io.*;
import java.util.ArrayList;

/*
Longest sequence

*/

public class Solution {
    public static void main(String[] args) throws IOException {
        //write your code here
        //  The program should read values from the keyboard.
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        //  In the main method, declare an ArrayList variable with Integer elements and immediately initialize it.
        ArrayList<Integer> integerElements = new ArrayList<Integer>();
        while (true) {
            String s = reader.readLine();
            if (s.isEmpty()) break;
            int a = Integer.parseInt(s);
            //  The program should add 10 numbers to the collection in accordance with the conditions.
            integerElements.add(a);
        }

        //  Reset the counter if a different number emerges, but record the current record (You don't need to record which number it was.)
        int currentRecord = 1;
        int absoluteRecord = 1;

        for(int i = 0; i < 9; i++) {
            if (integerElements.get(i) == integerElements.get(i + 1) && i != 8) {
                currentRecord = currentRecord + 1;
            } else if((integerElements.get(i) == integerElements.get(i + 1) && i == 8)){
                currentRecord = currentRecord + 1;
                if (currentRecord > absoluteRecord) {
                    absoluteRecord = currentRecord;
                    currentRecord = 1;
                } else {}
                }else if(integerElements.get(i) != integerElements.get(i + 1)){
                //If get(i) doesn't match get(i+1), run this code.
                //This value doesn't match the next one. Record its streak if it's the new record.
                if (currentRecord > absoluteRecord) {
                    absoluteRecord = currentRecord;
                    currentRecord = 1;
                } else {
                    //If the currentRecord is not greater than the absoluteRecord, return to the loop.
                    currentRecord = 1;
                }
            }
        }
        System.out.println(absoluteRecord);
    }
}