Development Assistance Help plugin cooldown

hi, I need help to create cooldown for a invgui plugin, I already have the invgui created by the lack so cooldown, the cooldown I need when they carry the item to open the invgui have to wait 5 seconds to return to be used for prevent "spam", sorry for my bad english.

Thank you all for the help and the attention!

ps: i'm noob in java xD please simple code and no lag xD

my code:

Code:java

    package com.tg95.svgui;
 
    import java.io.ByteArrayOutputStream;
    import java.io.DataOutputStream;
    import java.io.IOException;
    import java.util.Arrays;
    import java.util.List;
 
    import org.bukkit.Bukkit;
    import org.bukkit.Material;
    import org.bukkit.entity.Player;
    import org.bukkit.event.EventHandler;
    import org.bukkit.event.Listener;
    import org.bukkit.event.block.Action;
    import org.bukkit.event.inventory.InventoryClickEvent;
    import org.bukkit.event.player.PlayerInteractEvent;
    import org.bukkit.event.player.PlayerJoinEvent;
    import org.bukkit.inventory.Inventory;
    import org.bukkit.inventory.ItemStack;
    import org.bukkit.inventory.meta.BookMeta;
    import org.bukkit.inventory.meta.ItemMeta;
    import org.bukkit.plugin.java.JavaPlugin;
 
    public class tg95svgui extends JavaPlugin
    implements Listener {
 
 
    @Override
    public void onEnable() {
    Bukkit.getMessenger().registerOutgoingPluginChannel(this, "BungeeCord");
    getServer().getPluginManager().registerEvents(this, this);
    }
 
 
    @EventHandler
    public void onplayerjoin(PlayerJoinEvent e) {
    Player p = e.getPlayer();
    p.performCommand("spawn");
    // P//
    p.getInventory().remove(Material.PAPER);
    //P//
    ItemStack gv = new ItemStack(Material.PAPER);
    ItemMeta tempgv = gv.getItemMeta();
    tempgv.setDisplayName("§a§l\u2714 §4§lNSP§9§lServers §a§l\u2714");
    List<String> lorefree1 = Arrays.asList("§bCarrega aqui para escolheres um servidor !");
    tempgv.setLore(lorefree1);
    gv.setItemMeta(tempgv);
    p.getInventory().setItem(0, gv);
 
    }
 
    @EventHandler
    public void onPlayerInteract (PlayerInteractEvent event)
    {
 
    Action a = event.getAction();
    ItemStack is = event.getItem();
    if ((a == Action.PHYSICAL) || (is == null) || (is.getType() == Material.AIR)) {
    return;
 
    }
    if (is.getType() == Material.PAPER) {
    Player p = event.getPlayer();
    Inventory inv = Bukkit.getServer().createInventory(p, 9, "§4§lNSP§3§lServidores");
 
    //Survival//
    ItemStack free1 = new ItemStack(Material.DIAMOND_PICKAXE);
    ItemMeta tempfree1 = free1.getItemMeta();
    tempfree1.setDisplayName("§6§l\u2733 §a§lSurvival §6§l\u2733");
    List<String> lorefree1 = Arrays.asList("§5Carrega aqui para ires até", "§5ao nosso servidor §6§l\u2733 §a§lSurvival §6§l\u2733");
    tempfree1.setLore(lorefree1);
    free1.setItemMeta(tempfree1);
    inv.setItem(2, free1);
 
    //Prison//
    ItemStack free2 = new ItemStack(Material.IRON_FENCE);
    ItemMeta tempfree2 = free2.getItemMeta();
    tempfree2.setDisplayName("§2§l\u27F6 §4§lPrison §2§l\u27F5");
    List<String> lorefree2 = Arrays.asList("§5Carrega aqui para ires até", "§5ao nosso servidor §2§l\u27F6 §4§lPrison §2§l\u27F5");
    tempfree2.setLore(lorefree2);
    free2.setItemMeta(tempfree2);
    inv.setItem(4, free2);
 
    //MINIGAMES//
    ItemStack free3 = new ItemStack(Material.WATCH);
    ItemMeta tempfree3 = free3.getItemMeta();
    tempfree3.setDisplayName("§4§l\u25A7 §b§lMiniGames §4§l\u25A7");
    List<String> lorefree3 = Arrays.asList("§5Carrega aqui para ires até", "§5ao nosso servidor §4§l\u25A7 §b§lMiniGames §4§l\u25A7");
    tempfree3.setLore(lorefree3);
    free3.setItemMeta(tempfree3);
    inv.setItem(6, free3);
 
 
    //END//
    p.openInventory(inv);
    }
 
    }
 
 
 
    @EventHandler
    public void invclick(InventoryClickEvent e) {
 
    try {
    if(e.getInventory().getName().equalsIgnoreCase("§4§lNSP§3§lServidores")) {
    ItemStack itemclicked = e.getCurrentItem();
    Player p = (Player) e.getWhoClicked();
    e.setCancelled(true);
 
    // SURVIVAL //
    if(itemclicked.getType().equals(Material.DIAMOND_PICKAXE)) {
    p.closeInventory();
    if (!(p instanceof Player)) return;
    ByteArrayOutputStream b = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(b);
    try {
    out.writeUTF("Connect");
    out.writeUTF("Principal");
    } catch (IOException e2) {
    }
    p.sendPluginMessage(this, "BungeeCord", b.toByteArray());
 
    }
 
    // Prison //
    if(itemclicked.getType().equals(Material.IRON_FENCE)) {
    p.closeInventory();
    if (!(p instanceof Player)) return;
    ByteArrayOutputStream b = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(b);
    try {
    out.writeUTF("Connect");
    out.writeUTF("Prison");
    } catch (IOException e2) {
    }
    p.sendPluginMessage(this, "BungeeCord", b.toByteArray());
 
    }
 
    // MINIGAMES //
    if(itemclicked.getType().equals(Material.WATCH)) {
    p.closeInventory();
    if (!(p instanceof Player)) return;
    ByteArrayOutputStream b = new ByteArrayOutputStream();
    DataOutputStream out = new DataOutputStream(b);
    try {
    out.writeUTF("Connect");
    out.writeUTF("Minigames");
    } catch (IOException e2) {
    }
    p.sendPluginMessage(this, "BungeeCord", b.toByteArray());
 
    }
    }
    }catch (Exception e2) {}
    }
 
    }

 

tg95
Try something like this
https://forums.bukkit.org/threads/tutorial-easy-cooldown-with-messages-to-show-the-time-left.240447/

 

Hawktasard dont work or im bed in java xD can you help who put this code in my code? thanks for attention

 

tg95

 

Skionz hi, I know. and why I'm asking for help

best regards