Set Inventory title

Hi! I have command /inv [PLAYER], to see player inventory. How do i change title of it?

Code:java

 
if(cmd.getName().equalsIgnoreCase("inv")) {
            if(sender.hasPermission("mAll.inv")) {
                if(sender instanceof Player) {
                    if(args.length == 1) {
                        Player p = (Player) sender;
                        Player f = (Player) Bukkit.getPlayer(args[0]);
                        Inventory inv = f.getInventory();
                        //I want to change the title of inventory
                        p.openInventory(inv);
                        return true;
                    }
                } else {
                    sender.sendMessage("§cMr. Console, it's only for players :D");
                    return true;
                }               
            } 
        }
 

 

You cant change a players inventory name! the inventory name is his uuid(i think) so when he lets say changes his name, he still has his stuff! But you cant change the name or else it is no longer his. You have to make a new inventory and name that one.

 

In the start i don't want to see player armor, offhand, i want to change the title which is Inventory. Can i make it by creating new Inventory?

EDIT: @timtower Okay, how to copy player inventory to example Inventory inv?

 

How to copy Player Inventory into ex. Inventory int?