java-我的世界4-java编程控制物品栏 末影龙蛋 孵化, 在监听器中 控制物品栏 event => player => inventory =>itemstack 事件 玩家 物品栏 物品 public void onPlayerJoin(PlayerJoinEvent event) { Player player = event.getPlayer(); player.sendMessage(" joined the server! :D"); PlayerInventory inventory = player.getInventory(); ItemStack itemstack = new ItemStack(Material.DIAMOND_AXE, 1); inventory.addItem(itemstack); }