void countDown(int num)
Description: This method prints the numbers from num down to and including on new lines
| Method Call | output |
| countDown(5) | 5 4 3 2 1 0 |
| countDown(3) | 3 2 1 0 |
void printRev(String s)
Description: This method prints each letter of String s on new lines in reverse order.
| Method Call | output |
| printRev(“abcdef”) | a b c d e f |
| printRev(“abc”) | a b c |
int sumLessthan(int n)
Description: This method returns the sum of all positive integers less than or equal to n
| Method Call | output |
| sumLessThan(4) | 10 (4+3+2+1) |
| sumLessThan( 5 ) | 15 ( 5 + 4 + 3 + 2 + 1) |
int sumLessthan(int n)
Description: This method returns the sum of all positive integers less than or equal to n
| Method Call | output |
| sumLessThan(4) | 10 (4+3+2+1) |
| sumLessThan( 5 ) | 15 ( 5 + 4 + 3 + 2 + 1) |
double average( int[] nums, int index)
Description: This method returns the average of all the elements in nums. The parameter ‘idnex’ is used to keep track of how far along you have gone in the array.
| Method Call | output |
| average({3,2,1}, 0) | 2 |
| average({3,2,2}, 0) | 2.333333 |