HashMap vs Object variable cast performance test

Main.java

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;

public class Main {

	public static void main(String[] args) {
		new Main();
	}

	public ArrayList<Socket> list = new ArrayList<>();
	public HashMap<Integer, User> map = new HashMap<>();
	
	public Main() {
		for (int i = 0; i < 10000000; i++) {
			User user = new User(i);
			
			Socket socket = new Socket(i);
			socket.setVariables(user);
			
			list.add(socket);
			map.put(i, user);
		}

		while(true)
		{
			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
			try {
				int value = Integer.parseInt(br.readLine());
				Socket socket = list.get(value);
				
				// From MAP
				long start = System.nanoTime();
				map.get(socket.getId());
				System.out.println(System.nanoTime() - start);
				
				// From VARIABLES
				start = System.nanoTime();
				socket.getVariables();
				System.out.println(System.nanoTime() - start);
				
			} catch (Exception e) {
				System.err.println("Value out of range.");
			}
		}
	}
}

results.log

123
31362 // From Map
1824 // From cast

1
4741
364

1
4011
364

1
3282
365

9999
19692
365

Socket.java

public class Socket {
	private Object variables;
	private int id;
	
	public Socket(int id) {
		this.id = id;
	}
	
	public int getId() {
		return id;
	}

	@SuppressWarnings("unchecked")
	public <T> T getVariables() { return (T) variables; }
	
	@SuppressWarnings("unchecked")
	public <T> T getVariables(Class<T> type) { return (T) variables; }
	
	public <T> void setVariables(T variables) { this.variables = variables; }
	
}

User.java

public class User {

	private long id = 0L;
	
	public User(long id) {
		this.id = id;
	}
	
	public long getId() {
		return id;
	}

}