How can I sort a List alphabetically?

java list sorting collections alphabetical
Lennie picture Lennie · Apr 2, 2009 · Viewed 434.4k times · Source

I have a List<String> object that contains country names. How can I sort this list alphabetically?

Answer

Thilo picture Thilo · Apr 2, 2009

Assuming that those are Strings, use the convenient static method sort…

 java.util.Collections.sort(listOfCountryNames)

Related questions

How to convert a Collection to List?

I am using TreeBidiMap from the Apache Collections library. I want to sort this on the values which are doubles. My method is to retrieve a Collection of the values using: Collection coll = themap.values(); Which naturally works fine. Main …

Read More
Java List Sorting: Is there a way to keep a list permantly sorted automatically like TreeMap?

In Java you can build up an ArrayList with items and then call: Collections.sort(list, comparator); Is there anyway to pass in the Comparator at the time of list, creation like you can do with TreeMap? The goal is …

Read More
Sorting a list with stream.sorted() in Java

I'm interested in sorting a list from a stream. This is the code I'm using: list.stream() .sorted((o1, o2)->o1.getItem().getValue().compareTo(o2.getItem().getValue())) .collect(Collectors.toList()); Am I missing something? The list is not …

Read More