Java TreeMap.descendingKeySet()
Syntax
TreeMap.descendingKeySet() has the following syntax.
public NavigableSet <K> descendingKeySet()
Example
In the following code shows how to use TreeMap.descendingKeySet() method.
/*www. j a v a 2 s . c o m*/
import java.util.NavigableSet;
import java.util.TreeMap;
public class Main {
public static void main(String[] args) {
TreeMap<Integer, String> treemap = new TreeMap<Integer, String> ();
// populating tree map
treemap.put(2, "two");
treemap.put(1, "one");
treemap.put(3, "three");
treemap.put(6, "six");
treemap.put(5, "from java2s.com");
// putting values in navigable set
NavigableSet nset=treemap.descendingKeySet();
System.out.println("Checking value");
System.out.println("Navigable set values: "+nset);
}
}
The code above generates the following result.
Home »
Java Tutorial »
java.util »
Java Tutorial »
java.util »