TreeMap descendingMap() in Java

descendingMap(): This method is available in java.util.TreeMap class of Java.

Syntax:

NavigableMap<Integer, String> java.util.TreeMap.descendingMap()

This method returns a reverse order view of the mappings contained in this map.

Parameters: NA

Returns: a reverse order view of this map.

Exceptions: NA

Approach

Java

import java.util.TreeMap;

public class TreeMapdescendingMap {
    public static void main(String[] args) {

        TreeMap<Integer, String> treeMap = 
                    new TreeMap<Integer, String>();

        treeMap.put(2, "Hello");
        treeMap.put(11, "Java");
        treeMap.put(23, "Program");
        treeMap.put(6, "C++");
        treeMap.put(25, "Program");

        System.out.println(treeMap.descendingMap());
    }
}

Output:

{25=Program, 23=Program, 11=Java, 6=C++, 2=Hello}