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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Use regex101.com
Can I get an explanation for this regex?
It says in the description that the empty string is allowed to match.
I think it should be 0|1(01*0)*1)+ , because if put * at the end it will match "" empty string which is wrong.
I'm giving myself a headache trying to find the math for part 2. The basis for the math might be physics, but it's definitely math, and as far as I'm concerned, a major issue! (not that a tag would enlighten me on the math required, but to figure it out I need a refresher on calculus, not physics)
It is more a suggestion than an issue:-) and if a tag needed to be added I think it would be more physics than mathematics.
need to add the tag: "mathematics"
import org.Junit.Test - must be org.junit.Test
Testing class must be public