OnJava8-Examples/containers/SortedSetDemo.java
2015-05-05 11:20:13 -07:00

39 lines
998 B
Java

//: containers/SortedSetDemo.java
// What you can do with a TreeSet.
import java.util.*;
import static net.mindview.util.Print.*;
public class SortedSetDemo {
public static void main(String[] args) {
SortedSet<String> sortedSet = new TreeSet<>();
Collections.addAll(sortedSet,
"one two three four five six seven eight"
.split(" "));
print(sortedSet);
String low = sortedSet.first();
String high = sortedSet.last();
print(low);
print(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();
}
print(low);
print(high);
print(sortedSet.subSet(low, high));
print(sortedSet.headSet(high));
print(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]
*///:~