I don't know why the index isn't printed.
package com.codegym.task.task07.task0718;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Checking the order
*/
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 10; i++) {
list.add(reader.readLine());
}
int lng = 100;
int index = 0;
for (int j = 0; j < list.size(); j++) {
if (list.get(j).length() < lng) {
lng = list.get(j).length();
index = list.indexOf(j);
break;
}
}
System.out.println(index);
}
}