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| What you can do with a TreeSet |
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// : c11:SortedSetDemo.java
// What you can do with a TreeSet.
// From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002
// www.BruceEckel.com. See copyright notice in CopyRight.txt.
import java.util.Arrays;
import java.util.Iterator;
import java.util.SortedSet;
import java.util.TreeSet;
public class SortedSetDemo {
public static void main(String[] args) {
SortedSet sortedSet = new TreeSet(Arrays
.asList("one two three four five six seven eight".split(" ")));
System.out.println(sortedSet);
Object low = sortedSet.first(), high = sortedSet.last();
System.out.println(low);
System.out.println(high);
Iterator 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));
}
} ///:~
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