Some java help plz

hello! im a student who desperately needs some help in java…
basically i have to use a scanner class to store sale amounts for 7 days and then use loops to do it
and after, store all the amounts in an array.
i literally no clue how to even start this out and i have around 2 days to figure it out.

any help would be much appreciated, as i am broke and cant go online and pay to have someone help me :’(