It's the same problem, when you assign li.next() to the object elem, the ListIterator iterates one step and therefore is not at the beginning when the while loop starts?
On Jun 30, 9:52 pm, Maul <[email protected]> wrote: > Hmm. don't seem to work > > On Jun 30, 9:22 pm, "* ^ *" <[email protected]> wrote: > > > > > On Jul 1, 2:56 am, Maul <[email protected]> wrote: > > > > The following code is from "Java Collection Framework" tutorial from > > > JavaIntro, modified to want I wanna do:) > > > > What I wanna find out is how you would look for an object of a > > > specific element in an ListIterator. Let's say I want to find out if > > > the next() element in ListIterator is an instance of the String Class > > > and do something if this is true. What I have tried is > > > > // Create ListIterator and iterate entries in it > > > ListIterator li = al.listIterator(); > > > while (li.hasNext()) > > > If(li.next().getClass().getName() == "java.lang.String") > > > System.out.println("From ListIterator = " + li.next() > > > + " is a String object"); > > > else > > > System.out.println("From ListIterator = " + li.next > > > ()); > > > > The problem with the above code is that the next() method seems to > > > move the cursor of the ListIterator one step forward and therebye > > > skipping an element because there is a next() method in the if(....) > > > and in the println(), how do I sort this? > > > Just a guess. Assign next() to an object. For example: > > Object elem=li.next(); > > if(elem.getClass().getName().equals("java.lang.String"){ .. --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/javaprogrammingwithpassion?hl=en -~----------~----~----~----~------~----~------~--~---
