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@copeg - Thanks! that worked like a charm! =)

Ah thanks helloworld922! That solved my problem! =)

Now another question, if I wish to search for a title in the arraylist, is there a simple way to do this?

Rewrote the comparable code to:
public int compareTo(Book objekt) {
if (objekt.getTitle().compareTo(this.getTitle()) < 0) {
return 0;
} else if...

Ah yes this is confusing =/

But since I do use the Comparable class with:
public class Book implements Comparable<Book>

I can't see the problem by using
List<Book> temp = cob.remoteSort();...

It is correct, however I see that the error is that i only pass the List to be sorted and not what method to be used with comparable. So it should look something like this:

Pseudo-code:
...

Hi I'm having problems with java and the collections.sort method. I can't figure out how to sort an arraylist using the compareTo and Comparable interface. I've created the compareTo method and so...