Lab 2

Due 9:30AM February 12, 2007

1. Implement and test a method that uses tail recursion to convert an array of integers into their absolute values.
2. Design and implement a recursive program to produce the following output:
   0
   0 1
   0 1 2
   0 1 2 3
   0 1 2 3 4
   0 1 2 3
   0 1 2
   0 1
   0
   Your program should prompt the user for the total number of rows she wishes to print.