public class SetSpawn implements CommandExecutor {

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (!(sender instanceof Player)) {
            sender.sendMessage(API.c.getConfig().getString("Comando_Console").replaceAll("&", "§"));
            return true;

        }

        Player p = (Player)sender;
        if (cmd.getName().equalsIgnoreCase("SetSpawn")) {
            File spawn = new File("plugins/dEssentials/spawn.yml");
            FileConfiguration fc = YamlConfiguration.loadConfiguration(spawn);
            if (sender.hasPermission(API.c.getConfig().getString("SetSpawn_Permissao"))) {
                fc.set("spawn.world", p.getWorld().getName());
                fc.set("spawn.x", p.getLocation().getX());
                fc.set("spawn.y", p.getLocation().getY());
                fc.set("spawn.z", p.getLocation().getZ());
                fc.set("spawn.yaw", p.getLocation().getYaw());
                fc.set("spawn.pitch", p.getLocation().getPitch());
                p.sendMessage(API.c.getConfig().getString("Spawn_Definido").replaceAll("&", "§"));
                try {
                    fc.save(spawn);
                } catch (IOException e) {
                    e.printStackTrace();
                }

            }else {
                p.sendMessage(API.c.getConfig().getString("Sem_Permissao").replaceAll("&", "§"));
            }
        }

        return false;
    }

}

//No outro:

public class Spawn implements CommandExecutor {

    @Override
    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if (!(sender instanceof Player)) {
            sender.sendMessage(API.c.getConfig().getString("Comando_Console").replaceAll("&", "§"));
            return true;
        }

        Player p = (Player)sender;
        if (cmd.getName().equalsIgnoreCase("Spawn")) {
            File spawn = new File("plugins/dEssentials/spawn.yml");
            FileConfiguration fc = YamlConfiguration.loadConfiguration(spawn);
            if (p.hasPermission(API.c.getConfig().getString("Spawn_Permissao"))) {

                World world = Bukkit.getServer().getWorld(fc.getString("spawn.world"));
                double x = fc.getDouble("spawn.x");
                double y = fc.getDouble("spawn.y");
                double z = fc.getDouble("spawn.z");
                float yaw = (float)fc.getDouble("spawn.yaw");
                float pitch = (float)fc.getDouble("spawn.pitch");
                p.sendMessage(API.c.getConfig().getString("Spawn").replaceAll("&", "§"));
                Location l = new Location(world, x, y, z);
                l.setYaw(yaw);
                l.setPitch(pitch);
                p.teleport(l);

            }else {
                p.sendMessage(API.c.getConfig().getString("Sem_Permissao").replaceAll("&", "§"));
            }
        }
        return false;
    }

}