this exercise was about figuring out how a simple recursive method actually works. See the working in the comments section below the Java code.
Merge branch 'master' of https://github.com/bbk-pij-2012-20/JavaExercises
My workings of recursion exercise 1d (Day5). Calculating output of McCarthy's 91 function.
adding everything from this subfolder
Merge branch 'master' of https://github.com/bbk-pij-2012-20/JavaExercises