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The substring() method in Java is a powerful tool for extracting portions of a string. It allows you to create a new string based on the characters within a specified range of an existing string.

As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, sell user ...

This will take a few minutes. Attention: the generated file has a size of approx. 12 GB, so make sure to have enough diskspace. If you're running the challenge with a non-Java language, there's a ...