public static void main(String[] args) {
LinkedList list = new LinkedList();
list.insertFront(1);
list.insertFront(2);
list.insertFront(3);
System.out.println(list.toString());
}
String toString() {
String result = "";
LinkedListNode current = head;
while(current.getNext() != null){
result += current.getData();
if(current.getNext() != null){
result += ", ";
}
current = current.getNext();
}
return "List: " + result;
}