JoinEvent.java

package dev.gewooniraj.dcmain.Events;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.Material;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.Listener;
import org.bukkit.event.player.PlayerJoinEvent;
import org.bukkit.inventory.ItemStack;
import org.bukkit.inventory.meta.ItemMeta;

import dev.gewooniraj.dcmain.Main;

/**
 * Created by Iraj on 5-5-2017.
 */
public class JoinEvent implements Listener {

    FileConfiguration config = Main.config;

    @SuppressWarnings("deprecation")
    @EventHandler(priority = EventPriority.HIGHEST)
    public void onJoin(final PlayerJoinEvent event) {
        final Player player = event.getPlayer();

// start - other thingy xd
        player.getInventory().clear();
        ItemStack stafflist = new ItemStack(Material.ENCHANTED_BOOK, 1);
        ItemMeta metaStafflist = stafflist.getItemMeta();
        metaStafflist.setDisplayName(ChatColor.translateAlternateColorCodes('&', "&2Staff List"));
        stafflist.setItemMeta(metaStafflist);
        player.getInventory().setItem(8, stafflist);
// end  - other thingy xd

        String join = config.getString("join-message");
        String j7 = join.replaceAll("&", "§");
        String jp = j7.replaceAll("%player%", player.getDisplayName());

        event.setJoinMessage(null);
        Bukkit.getServer().getScheduler().scheduleAsyncDelayedTask(Main.getPlugin(Main.class), new Runnable() {
            @Override
            public void run() {
                for (Player all : Bukkit.getOnlinePlayers()) {
                    all.sendMessage(jp);
                }
            }
        }, 30L);
    }
}