import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
public class Main {
public static void main(String[] args) {
List<String> names = new ArrayList<>();
Collections.sort(names, new Comparator<String>() {
@Override
public int compare(String name1, String name2) {
return name1.compareTo(name2);
}
});
for (String name : names) {
System.out.println(name);
}
}
}
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-collections4</artifactId>
<version>4.4</version>
</dependency>
