Method copy

src/main/java/net/minecraft/item/ItemStack.java:416–426

Returns a new stack with the same properties.

()

     * Returns a new stack with the same properties.
     */
    public ItemStack copy()
    {
        ItemStack itemstack = new ItemStack(this.item, this.stackSize, this.itemDamage);

        if (this.stackTagCompound != null)
        {
            itemstack.stackTagCompound = (NBTTagCompound)this.stackTagCompound.copy();
        }

        return itemstack;
    }

    public static boolean areItemStackTagsEqual(ItemStack stackA, ItemStack stackB)
    {