treeset headset 28 29 method in java

1import java.util.Iterator;
2import java.util.TreeSet;
3public class TreeSetHeadSetEToElementMethodExample
4{
5   public static void main(String[] args)
6   {
7      TreeSet<Integer> ts = new TreeSet<Integer>();
8      TreeSet<Integer> hs = new TreeSet<Integer>();
9      ts.add(1);
10      ts.add(2);
11      ts.add(3);
12      ts.add(4);
13      ts.add(5);
14      ts.add(6);
15      // get values less than 5
16      hs = (TreeSet)ts.headSet(5);
17      // create iterator
18      Iterator<Integer> iterate = hs.iterator();
19      System.out.println("TreeSet data: ");
20      while(iterate.hasNext())
21      {
22         System.out.println(iterate.next() + " ");
23      }
24   }
25}
26
27
28

1import java.util.Iterator;
2import java.util.TreeSet;
3public class TreeSetHeadSetMethodExample
4{
5   public static void main(String[] args)
6   {
7      TreeSet<Integer> ts = new TreeSet<Integer>();
8      TreeSet<Integer> hs = new TreeSet<Integer>();
9      ts.add(1);
10      ts.add(2);
11      ts.add(3);
12      ts.add(4);
13      ts.add(5);
14      ts.add(6);
15      // get values for 5 inclusive true
16      hs = (TreeSet)ts.headSet(5, true);
17      // create iterator
18      Iterator<Integer> iterate = hs.iterator();
19      System.out.println("TreeSet data for '5' inclusive TRUE: ");
20      while(iterate.hasNext())
21      {
22         System.out.println(iterate.next() + " ");
23      }
24      // get values for 5 inclusive false
25      hs = (TreeSet)ts.headSet(5, false);
26      iterate = hs.iterator();
27      System.out.println("TreeSet data for '5' inclusive FALSE: ");
28      while(iterate.hasNext())
29      {
30         System.out.println(iterate.next() + " ");
31      }
32   }
33}
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