the second requirement
package com.codegym.task.task07.task0716;
import java.util.ArrayList;
/*
R or L
*/
public class Solution {
public static void main(String[] args) throws Exception {
ArrayList<String> list = new ArrayList<String>();
list.add("rose"); // 0
list.add("love"); // 1
list.add("lyre"); // 2
list = fix(list);
for (String s : list) {
System.out.println(s);
}
}
public static ArrayList<String> fix(ArrayList<String> list) {
for(int i=0;i<list.size();i++){
String string = list.get(i);
if((list.get(i).contains("r")) && (!list.get(i).contains("l"))){
list.remove(i);
}
else if((list.get(i).contains("l")) && (!list.get(i).contains("r"))){
list.add(i+1,string);
i++;
}
}
return list;
}
}