Help me understand arrays and Scanner object

Question

Write a program that asks the user for 4 numbers and calculates the sum of the numbers given using array and for loop😓

Answer 1

add only 4 int. i dont now why for (int a: numbers) dont work here
https://code.sololearn.com/cAlHuKlGlM7r/?ref=app

Answer 2

thank you so much Daniel...