Write a method that returns the SUM of all integers between the start integer and the end integer. So sumAll(6, 8) would return 6+7+8 which is 21. Remember that += allows you to add numbers to a pre-existing variable you created!
Sun | Mon | Tue | Wed | Thu | Fri | Sat |
---|---|---|---|---|---|---|
27 | 28 | 29 | 30 | 1 | 2 | 3 |
4 | 5 | 6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 | 16 | 17 |
18 | 19 | 20 | 21 | 22 | 23 | 24 |
25 | 26 | 27 | 28 | 29 | 30 | 31 |