Purpose: Write a method returning a list, write a loop, use a random number generator.

Statement of the exercise:

1. the method takes 3 arguments: the expected number of trees, and the size of the rectangle for the trees coordinates x and y (in meters)
2. the ids of the trees are unique, between 1 and number of trees
3. their age is randomly chosen between 1 and 25
4. their height is age / 2
5. their dbh is age
6. the tree positions must be randomly chosen in the given rectangle
7. add code in the main method of exercise 1 to build a list of 10 trees and add a loop to display the result of their toString() method

Helper and solution