Was ist falsch?
package de.codegym.task.task08.task0812;
import java.io.*;
import java.util.ArrayList;
/*
Längste Sequenz
*/
public class Solution {
public static void main(String[] args) throws IOException {
//schreib hier deinen Code
ArrayList<Integer> liste = new ArrayList<Integer>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
for (int i = 0;i< 10;i++){
liste.add(Integer.parseInt(reader.readLine()));
}
int summe = 0;
int count = 0;
for (int i = 0;i < liste.size();i++){
for(int k = 0;k < liste.size();k++){
if (liste.get(i) == liste.get(k))
count++;
else
if (count > summe){
summe = count;
count = 0;
break;
}else{
count = 0;
break;
}
}
}
System.out.println(summe);
}
}