Player[] players = plugin.getServer().getOnlinePlayers();
World spawnWorld = plugin.getServer().getWorld(plugin.getConfig().getString("Jooce.TDM.Spawn.World"));
int spawnX = plugin.getConfig().getInt("Jooce.TDM.Spawn.Xcord");
int spawnY = plugin.getConfig().getInt("Jooce.TDM.Spawn.Ycord");
int spawnZ = plugin.getConfig().getInt("Jooce.TDM.Spawn.Zcord");
Location spawnLocation = new Location(spawnWorld, spawnX, spawnY, spawnZ);

Player[] players = plugin.getServer().getOnlinePlayers();

for (Player player : players) {
    player.teleport(spawnLocation);
}