the result is:
grandfather
grandfather
grandmother
grandmother
...
...
...
That is how it should be, right?
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<>();
for( int i= 0 ;i<10; i++ ) {
String s = reader.readLine();
list.add(s);
}
ArrayList<String> result = doubleValues(list);
// Display result
for (int i= 0; i<list.size(); i++) {
System.out.println(list.get(i));
}
}
public static ArrayList<String> doubleValues(ArrayList<String> list) {
//write your code here
for(int i= 0; i<20; i= i+2) {
String copy = list.get(i);
list.add(i,copy);
}
return null;
}
}