FibTesting

public class FibTesting {

        public static void main(String[] args) {
                try{
                        System.out.println(fib(30,0));
                }catch(StackOverflowError soe){
                        System.out.println("Y'all overflowed.");
                }
                finally{
                        System.out.println("Stack depth :"+depth);
                        System.out.println("Method calls : "+calls);
                }
        }
        public static int depth,calls;
        public static long fib(int n,int depth){
                calls++;
                if(depth > FibTesting.depth) FibTesting.depth = depth;
                if(n==1||n==2) return 1;
                return fib(n-1,depth+1)+fib(n-2,depth+1);
        }
}