To insert an object into a specific position into the list, specify the index in the add method
import java.util.LinkedList; public class MainClass { public static void main(String[] a) { LinkedList<String> officers = new LinkedList<String>(); officers.add("B"); officers.add("B"); officers.add("H"); officers.add("P"); officers.add("M"); officers.add(2, "T"); for (String s : officers) System.out.println(s); } }