1st job - self-introduction + 5 Q soft work

I am the soft inlay 172 classes Dan Haoxiang. I'm from Nantong Rugao, like running. Know nothing about computer professional before university. Two years of college life, I learned Python, C ++ and Java programming language, they would take the initiative to learn the knowledge about the web front end. I did not attend any college game, because they do not like what trouble. But in order to academic development, or going to the game.
 
Soft Engineering 5 Q:
1, software engineering and application prospects?
2, the principles and norms of software development?
3. What are the specific software needs to change?
4, the software development process, how to avoid late fees software maintenance?
5, small and medium sized software development team members and the number of standard development time is about how much?