सबस्ट्रिंग खोजने और पुनर्प्राप्त करने का अभ्यास करें

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.