Je n arrive pas a valider la derniere condition. Merci :)
package fr.codegym.task.task07.task0718;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Vérification d'ordre
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> liste = new ArrayList<String>();
for (int i = 0; i < 10; i++){
String s = reader.readLine();
liste.add(s);}
for (int i = 0; i < 10; i++){
int x = liste.get(0).length();
if (x < liste.get(i + 1).length()){
i++;}
else {if ( x >= liste.get(i).length()){
System.out.println(i+1);
break;}
}}
}
}