How Do Identify Elements In Treeset Collection

how do identify elements in treeset collection

TreeSet and ArrayList ~ ERP BASIC

TreeSet implements SortedSet:- This class guarantees that the sorted set will be in ascending element order, sorted according to the natural order of the elements (see Comparable), or by the comparator provided at set creation time, depending on which constructor is used.
import java.util.Iterator;
import java.util.TreeSet;

public class TreeSetExample {

public static void main(String[] args) {

// TreeSet return in ordered elements
TreeSet ts=new TreeSet();

        ts.add("b");
        ts.add("a");
        ts.add("d");
        ts.add("c");

// get element in Iterator
Iterator it=ts.iterator();

// get descending order of elements
//Iterator it=ts.descendingIterator();

        while(it.hasNext())
        {
          String value=(String)it.next();

          System.out.println("Value :"+value);
        }
    }
}
Output
TreeSet Value:a
TreeSet Value:b
TreeSet Value:c
TreeSet Value :d

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2012年2月10日金曜日

How Do Identify Elements In Treeset Collection