In this article, I am going to tell you about the journey I have taken, from a young man who knows nothing about code, to now, a Sun* software engineer. And although our circumstances are different, our ability to learn and acquire knowledge is also different, maybe my experiences are nothing compared to many people, but I hope that it can inspire someone, who has been on the way to "find yourself" ...

Having the opportunity to practice, challenge professional skills and interact with fellow bros in the same fields and assert your own position are the reasons why “code battles” have always captured the attention of programmers. Let’s take a look at 6 outstanding coding challenge sites as below!