EnchantmentException if the enchantment doesn't exist
item.addEnchantment(new Enchantment(Enchantments.sharpness, 1)); item.addEnchantment(Enchantments.power, 5); item.addEnchantment(Enchantments.fortune, "X"); item += new Enchantment(Enchantments.smite, 2);
Adds an enchantment to the item.