/**
*Output:
Original contents of ll: [A, A2, B, C, D, E, F, Z]
Contents of ll after deletion: [A, A2, C, D, E, Z]
ll after deleting first and last: [A2, C, D, E]
ll after change: [A2, C, D Changed, E]
*/
import java.util.LinkedList;
public class MainClass {
public static void main(String args[]) {
LinkedList ll = new LinkedList();
ll.add("B");
ll.add("C");
ll.add("D");
ll.add("E");
ll.add("F");
ll.addLast("Z");
ll.addFirst("A");
ll.add(1, "A2");
System.out.println("Original contents of ll: " + ll);
ll.remove("F");
ll.remove(2);
System.out.println("Contents of ll after deletion: " + ll);
ll.removeFirst();
ll.removeLast();
System.out.println("ll after deleting first and last: " + ll);
String val = ll.get(2);
ll.set(2, val + " Changed");
System.out.println("ll after change: " + ll);
}
}