43 lines
1.2 KiB
Java
43 lines
1.2 KiB
Java
// collectiontopics/SortedSetDemo.java
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// (c)2017 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://OnJava8.com for more book information.
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import java.util.*;
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import static java.util.stream.Collectors.*;
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public class SortedSetDemo {
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public static void main(String[] args) {
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SortedSet<String> sortedSet =
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Arrays.stream(
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"one two three four five six seven eight"
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.split(" "))
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.collect(toCollection(TreeSet::new));
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System.out.println(sortedSet);
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String low = sortedSet.first();
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String high = sortedSet.last();
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System.out.println(low);
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System.out.println(high);
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Iterator<String> it = sortedSet.iterator();
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for(int i = 0; i <= 6; i++) {
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if(i == 3) low = it.next();
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if(i == 6) high = it.next();
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else it.next();
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}
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System.out.println(low);
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System.out.println(high);
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System.out.println(sortedSet.subSet(low, high));
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System.out.println(sortedSet.headSet(high));
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System.out.println(sortedSet.tailSet(low));
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}
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}
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/* Output:
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[eight, five, four, one, seven, six, three, two]
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eight
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two
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one
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two
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[one, seven, six, three]
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[eight, five, four, one, seven, six, three]
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[one, seven, six, three, two]
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*/
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