Day 19- Java String Tokens|| Hackerrank Java Solutions || Hindi
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What = Java Hackerrank Series
Why = To get basic idea about java and gain some knowledge about java programming
How = By Solving 2-3 problems daily
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Given a string, , matching the regular expression [A-Za-z !,?._'@]+, split the string into tokens. We define a token to be one or more consecutive English alphabetic letters. Then, print the number of tokens, followed by each token on a new line.
Note: You may find the String.split method helpful in completing this challenge.
Input Format
A single string, .
Constraints
is composed of any of the following: English alphabetic letters, blank spaces, exclamation points (!), commas (,), question marks (?), periods (.), underscores (_), apostrophes ('), and at symbols (@).
Output Format
On the first line, print an integer, , denoting the number of tokens in string (they do not need to be unique). Next, print each of the tokens on a new line in the same order as they appear in input string .
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 such tokens in string , and each token is printed in the same order in which it appears in string .
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