list methods example

package com.concretepage;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;

public class Listmethods{
public static void main(String[] args) {

LinkedList<String> list = new LinkedList<String>();
list.add("A");
list.add("B");

list.addFirst("D");
list.add(2,"E");
list.addLast("C");
list.add("F");
list.add("G");

System.out.println("Linked List " + list);
System.out.println(list.size());
String returns = list.get(2);
System.out.println(returns);

Collection<String> ref = new ArrayList<String>();
ref.add("H");
ref.add("I");
ref.add("J");
ref.add("K");
ref.add("L");
list.addAll(1,ref);
System.out.println(list);
}
}