Vannys Code

@EventHandler
	public void onLogin(PlayerLoginEvent e) {
		Player p = e.getPlayer();
		int[] amount = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 , 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40};

		for(int i : amount) {
			if(p.hasPermission("fl.maxheal." + i)) {
				p.setHealthScale(i);
			}
		}
	}

	@EventHandler
	public void onRespawn(PlayerRespawnEvent e) {
		Player p = e.getPlayer();
		int[] amount = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 , 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40};

		for(int i : amount) {
			if(p.hasPermission("fl.maxheal." + i)) {
				p.setHealthScale(i);
			}
		}
	}