Can someone help me finish this?
package com.codegym.task.task07.task0711;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Remove and insert
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> list = new ArrayList<String>();
for (int i = 0; i < 5; i++) {
String s = reader.readLine();
list.add(s);
if (list.indexOf(s) == 4) {
list.remove(s);
list.add(0, s);
}
}
System.out.println(list);
}
}