Loading collection data...
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.
There should be a method named "Number.parseInt()",but it doesn't work in there.
看不懂啊大哥！
和我想的一样;-)
That's will be across the test?come on!
This comment is hidden because it contains spoiler information about the solution