import java.util.*;

public class HashMapMain
{
	public static void main (String[ ] args)
	{
		HashMap<String, Integer> ageMap = new HashMap<String, Integer>();

      		ageMap.put ("dog", 15);
      		ageMap.put ("cat", 20);
      		ageMap.put ("human", 75);
		ageMap.put ("turtle", 100);
      		System.out.println (ageMap);

		for (String s : ageMap.keySet())
			System.out.println (s);
	
		for (Integer i : ageMap.values())
			System.out.println (i);		
	} // method main

} // class HashMapMain