linkedlist collection deduplication

/ ** 
* number of known storage array QQ number, QQ number up to 11, a minimum of 5 
* String [] strs = { " 12345", "67891", "12347809933", "98765432102", "67891 "" 12347809933 "}. 
* All inside the array qq number are stored in the LinkedList, remove the duplicate list element, 
* the list of all the elements are printed out and enhanced by an iterative loop for 
* / 
public class LinkedList02 { 
    public static void main (String [] args) { 
        the linkedList <String> linkedList = new new the linkedList <> (); 
        String [] STRs = { "12345", "67891", "12,347,809,933", "98,765,432,102", "67891", "12,347,809,933"}; 
        for (int I = 0; I <strs.length; I ++) { 
            String STRs STR = [I]; 
            linkedList.add (STR);




        Remove duplicate using an iterator element, can maintain the original order of 
         * / 
        the Iterator <String> = linkedList.iterator Iterator (); 
        the LinkedList <String> = new new newlist1 the LinkedList <> (); 
        the while (iterator.hasNext ()) { 
            String Next Iterator.next = (); 
            // add a new element is not set to a new set of 
            IF {(newlist1.contains (Next)!) 
                newlist1.add (Next); 
            } 
        } 
        System.out.println (newlist1); 
        the System .out.println ( "------------ ------------- method II"); 

        / * 
        use HashSet without repetition characteristics, but after the deduplication List can not maintain the original order 
         * / 
        // S hashset remove duplicate using 
        Set <String> set = new HashSet <> (linkedList);
        // get a new set of de-duplicated 
        the LinkedList <String> = new new newList the LinkedList <> (SET); 
        System.out.println (newList); 


    } 
}