import java.util.*;
class Solution {
public List solution(String my_string) {
List<String> answer = new ArrayList<>();
String[] my_string_list = my_string.split(" ");
for(int i = 0; i<my_string_list.length;i++){
if(!my_string_list[i].equals("")){
answer.add(my_string_list[i]);
}
}
return answer;
}
}