How to sort an ArrayList of Strings?

I want to make different type of sort. I have an ArrayList of Strings. When the information is shown I want all the Strings beginning with "blablabla" to be shown first. How can I achieve that?

Look at the Collections class. It has sort methods you can use. You'll need your own code to determine the sort order.

Try to look at Comparator and Comparable interfaces. You have to implement one of these or both interfaces, implement some methods and then sort the method by calling Collections.sort() or something. I can't tell exactly how it goes because I haven't done that for a long time, but the idea should be clear to you. Try to look for some examples with these interfaces.

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Originally Posted by Asido

Try to look at Comparator and Comparable interfaces. You have to implement one of these or both interfaces

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String already implements Comparable.

db

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Strings beginning with "blablabla" to be shown first

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That will require the OP to use his own code to set the order.

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Originally Posted by Darryl.Burke

String already implements Comparable.

db

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In this case just override the method compareTo()

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Originally Posted by Asido

In this case just override the method compareTo()

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String is final cannot be extended, so its methods cannot be overridden. The Comparable interface must be implemented in some other way.