Solution verified with multiple strings. working fine but failed when submitted. What's is 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
ArrayList<String> s = new ArrayList<String>();
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
for(int i=0;i<10;i++)
s.add(i, reader.readLine());
ArrayList<String> result = doubleValues(s);
// Display result
for (int i=0;i<=result.size()-1;i++) {
System.out.println(result.get(i));
}
}
public static ArrayList<String> doubleValues(ArrayList<String> list) {
//write your code here
//String temp="";
ArrayList<String> s = new ArrayList<String>();
for(int i=0;i<list.size()-1;i++){
//temp=;
s.add(list.get(i));
s.add(list.get(i));
}
return s;
}
}