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1. The getPartOfString method must return the substring between the first and the last tab characters. 2. The getPartOfString method should throw an exception if it receives invalid data: a) StringForFirstThreadTooShortException if the thread's name is FIRST_THREAD_NAME.

The getPartOfString method must return the substring that begins with the character after the first space and ends with the end of the word that follows the 4th space. Example: "CodeGym is the best place to learn Java." Result: "is the best place" Example: "Amigo and Diego are best friends!"

The getPartOfString method must return the substring between the first and the second tab characters. If the input data is invalid, throw a StringTooShortException. Don't change the StringTooShortException class.