// collectiontopics/SortedSetDemo.java

// (c)2017 MindView LLC: see Copyright.txt

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

import java.util.*;

import static java.util.stream.Collectors.*;

public class SortedSetDemo {

public static void main(String[] args) {

SortedSet<String> sortedSet =

Arrays.stream(

"one two three four five six seven eight"

.split(" "))

.collect(toCollection(TreeSet::new));

System.out.println(sortedSet);

String low = sortedSet.first();

String high = sortedSet.last();

System.out.println(low);

System.out.println(high);

Iterator<String> it = sortedSet.iterator();

for(int i = 0; i <= 6; i++) {

if(i == 3) low = it.next();

if(i == 6) high = it.next();

else it.next();

}

System.out.println(low);

System.out.println(high);

System.out.println(sortedSet.subSet(low, high));

System.out.println(sortedSet.headSet(high));

System.out.println(sortedSet.tailSet(low));

}

}

/* Output:

[eight, five, four, one, seven, six, three, two]

eight

two

one

two

[one, seven, six, three]

[eight, five, four, one, seven, six, three]

[one, seven, six, three, two]

*/