Is it true that is there a j in the italian alphabet based on the following text?

The base alphabet consists of 21 letters: five vowels (A, E, I, OU) and 16 consonants. The letters J, K, W, X and Y are not part of the proper alphabet, and are used only for loanwords (e.g. 'jeans') and foreign names (with very few exceptions, such as in the native names Jesolo, Bettino Craxi, and Juventus, all of which are derived from regional languages). In addition, grave, acute and circumflex accents may be used to modify vowel letters.
no