import java.util.*;

class Pocket
{
	//Instance field (Note: Object fields are first initialized to null by java)
	private Object thing; 
	
	//Static arraylist
	private static ArrayList<Pocket> createdPockets=new ArrayList<>();
	
	//Constructor
	public Pocket(Object t)
	{
		this.thing=t;
		createdPockets.add(this);
	}
	
	@Override
	public String toString() {return thing.toString();}
	


	public static void listEverything() 
	{
		for (Object p:createdPockets)
			System.out.println(p);
	}
	
}

public class Main_Lab08Q00 {

	public static void main(String [] args) 
	{	
		new Pocket("Pencil");
		new Pocket(2014);
		new Pocket("Spring");
		
		Pocket.listEverything();
	}
}