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 ...

Splits a string str into fields using pattern as the separator, which may be either a string or a regular expression. If pattern is not specified, then the regular expression \s+ is used to split on ...

Introduced with the Java 17 release, pattern matching enhances the instanceof operator so Java developers can better check and object's type and extract its components, and more efficiently deal with ...