Any ideas why is that?
package pl.codegym.task.task07.task0718;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Sprawdzanie kolejności
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> s = new ArrayList<String>();
int n1;
for (int i = 0; i < 10; i++) {
s.add(reader.readLine());
}
n1 = s.get(0).length();
for (int i = 1; i < 10; i++) {
String sprawdzam = s.get(i);
if (sprawdzam.length() < n1) {
System.out.println(i);
break;
}
}
}
}