SortedSetDemo.java Source code

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Here is the source code for SortedSetDemo.java

Source

// : 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));
    }
} ///:~