LocationStore.java

public class LocationStore {

  private static final HashMap<UUID, Location> SPECTATOR_POS = new HashMap<>();


   public static Location getLoc(Player player) {
       return SPECTATOR_POS.get(player.getUniqueId());
   }
  
   public static void setLoc(Player player) {
       SPECTATOR_POS.put(player.getUniqueId(), player.getLocation());
   }
}