Map / ArrayList & Data / Check 2
⌨️ Write
Check: average of a file
Write average so it returns the mean of all the numbers in the file. Blank lines may appear. A file with no numbers gives 0.0.
- Scanner
- hasNextInt()
- (double)
📄 temps.txt — a file the program reads
21 19 24 18
📄 empty.txt — a file the program reads