Need code in Java

Sample Input

He is a very very good boy, isn't he$?$

Sample Output

$10$

$He$

$is$

$a$

very

very

good

boy

isn

$t$

$he$

Explanation

We consider a token to be a contiguous segment of alphabetic characters. There are a

total of $10$ such tokens in string $s,$ and each token is printed in the same order in which

it appears in string $s.$