

Recursion refers to define something in terms of itself. In this tutorial, we will solve difference recursion problems to get the better understand of how recursion works.
We will solve from easy problems and go to advance recursion problems.
1. Recursion of factorial.
2. Recursion of Fibonacci series.
3. Recursion of binary search
and other string, array recursion problems
Learn full java programming:
Develop Snake Game in java:
https://www.youtube.com/watch?v=_SqnzvJuKiA&t=358s
@ 35:47 I feel like you overcomplicated that one:
if(n==0)
return 0;
if (n%10 == 5)
return 1 + count5(n/10);
else
return count5(n/10);