Exercise on LinkedList ~ foundjava

import java.util.LinkedList;

public class exLinkedList{
 
 static LinkedList<String> myLinkedList;
 
 public static void main(String[] args){
  
  System.out.println("LinkedList Exerecise");
  
  myLinkedList = new LinkedList<String>();
 
  myLinkedList.add("ABCDEF");
  myLinkedList.add("G");
  myLinkedList.add("HIJ");
  myLinkedList.add("KLM");
  myLinkedList.add("NOPQRST");
  myLinkedList.add("UVW");
  myLinkedList.add("XYZ");
  showAll();
  System.out.println();
  
  myLinkedList.removeFirst();
  myLinkedList.removeLast();
  myLinkedList.remove("KLM");
  myLinkedList.remove("JAVA"); //Can't found!
  showAll();
 }
 
 static void showAll(){
  for(int i = 0; i < myLinkedList.size(); i++){
   System.out.println(myLinkedList.get(i));
  }
 }
}