package collection;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

import java.util.TreeMap;

public class TreeMapExample {

public static void main(String[] args) {

/* This is how to declare TreeMap */

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

/* Adding elements to TreeMap */

tmap.put(1, "Core Java");

tmap.put(23, "Adv Java");

tmap.put(70, "Spring");

tmap.put(4, "Hibernate");

tmap.put(2, "Maven");

/* Display content using Iterator */

Set set = tmap.entrySet();

Iterator iterator = set.iterator();

while (iterator.hasNext()) {

Map.Entry mentry = (Map.Entry) iterator.next();

System.out.print("Key is: " + mentry.getKey() + " & Value is: " + mentry.getValue() + "\n");

}

}

}