Iterate treemap in java


package com.w3spoint;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
public class Test {
	public static void main(String args[]){
		//Create TreeMap object.
		TreeMap<Integer, String> treeMap = new TreeMap<Integer, String>();
		//Add objects to the TreeMap.
		treeMap.put(4, "Roxy");
		treeMap.put(2, "Sunil");
		treeMap.put(5, "Sandy");
		treeMap.put(1, "Munish");
		treeMap.put(3, "Pardeep");
		//Print the TreeMap object.
		System.out.println("TreeMap elements:");
		//Get iterator
		Set set=treeMap.entrySet();  
		Iterator iterator=set.iterator();  
		//Print the TreeMap elements using iterator.
		System.out.println("TreeMap elements using iterator:");
		   Map.Entry mapEntry=(Map.Entry);  
		   System.out.println("Key: " + mapEntry.getKey() + ", " +
		   		"Value: " + mapEntry.getValue());  


TreeMap elements:
{1=Munish, 2=Sunil, 3=Pardeep, 4=Roxy, 5=Sandy}
TreeMap elements using iterator:
Key: 1, Value: Munish
Key: 2, Value: Sunil
Key: 3, Value: Pardeep
Key: 4, Value: Roxy
Key: 5, Value: Sandy
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