I can't figure out where am going wrong.
package com.codegym.task.task07.task0717;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
/*
Duplicating words
*/
public class Solution {
public static void main(String[] args) throws Exception {
// Read strings from the console and declare an ArrayList here
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
ArrayList<String> list = new ArrayList<String>();
ArrayList<String> result = doubleValues(list);
for(int i=0; i<10; i++){
String s = reader.readLine();
list.add(s);
}
// Display result
for(int i=0; i<result.size(); i++){
System.out.println(result.get(i));
}
}
public static ArrayList<String> doubleValues(ArrayList<String> list) {
//write your code here
for(int i=0; i<list.size();){
list.add(i+1, list.get(i));
i+=2;
}
return list;
}
}