Iterate map java

package com.javahonk.list;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

public class IterateHashMapExample {

	public static void main(String[] args) {

		Map<String, String> map =new HashMap<String, String>();
		map.put("1", "First");
		map.put("2", "Second");
		map.put("3", "Third");
		map.put("4", "Fourth");
		map.put("5", "Five");

		System.out.println("Iterator Example 1\n");
		Iterator<Entry<String, String>> it = map.entrySet().iterator();
		while (it.hasNext()) {
		    Map.Entry entry = (Map.Entry) it.next();
		    String key = (String)entry.getKey();
		    String val = (String)entry.getValue();
		    System.out.println("Key:" + key + ",Value: " + val);
		    //it.remove(); // avoids a ConcurrentModificationException
		}

		System.out.println("\nIterator Example 2\n");
		Iterator<String> iterator = map.keySet().iterator();
		while(iterator.hasNext()) {
			String key = (String)iterator.next();
		    String val = (String)map.get(key);
		    System.out.println("Key:" + key + ",Value: " + val);
		    //it.remove(); // avoids a ConcurrentModificationException
		}

		System.out.println("\nMap.Entry Example 3\n");
		for (Map.Entry entry : map.entrySet()) {
		    System.out.println("Key:" + entry.getKey() + ",Value: " +  entry.getValue());
		    //it.remove(); // avoids a ConcurrentModificationException		    
		}

		System.out.println("\nExample 4"+". If you're only interested in the keys, you can iterate through the keySet() of the map:\n");

		for (String key : map.keySet()) {
			System.out.println("Key:" + key);
		}

		System.out.println("\nExample 5"+". If you only need the values, use values():\n");
		for (Object value : map.values()) {
			System.out.println("Value:" + value);
		}

	}

}