Java help.

Create a program Triangle that contains methods iterative Triangle (int n) and recursive Triangle (int n) for printing a triangle. A sample run might look like this: Enter a positive integer: 8 Create a program Total java that contains methods iterativeSum(int n) and recursive Sum(int n) that adds the integers from 1 to n and returns the sum. A sample run might look like: Enter a positive integer: 8 The sum of the integers from 1 to 8 is 36