TreeSet,HashSet

import java.util.*;

public class linkedlist{

    public static void main(String argv[])
    {
        LinkedList name= new LinkedList();
        name.add("sonawane");
        name.addFirst("bhushan");
        name.add(1, "bhalchandra");
System.out.println("content of name "+name);
         name.set(0," BhUsHaN");
        System.out.println("content of name after setting  "+name);
    String frnd[]={"rohit","rohini","aanchal","ojas","chinmoy"};
    LinkedList fr=new LinkedList();

    for(int i=0;i<5;i++)
    {
        fr.add(i, frnd[i]);
    }
    System.out.println("----------------------------------------------------------------");
    System.out.println("content of frnds "+fr);

    System.out.println("----------------------------------------------------------------");
    HashSet hs=new HashSet();
    for(int i=0;i<5;i++)
    {
        hs.add(fr.get(i));
    System.out.println(fr.get(i)+" entered HashSet");

    }
    TreeSet tfr=new TreeSet();
    for(int i=0;i<5;i++)
    {
        tfr.add(fr.get(i));
    System.out.println(fr.get(i)+" entered TreeSet");

    }

    System.out.println("----------------------------------------------------------------");
    System.out.println("content of HashSet frnds "+hs);
    System.out.println("----------------------------------------------------------------");
    System.out.println("content of TreeSet frnds "+tfr);
    System.out.println("----------------------------------------------------------------");
    System.out.println("content of frnds before "+fr);



    }

}