1:asp.net:
Taking Microsoft as the background, it proved to be extremely successful, learning. Net well can not only be a website, but also has a good prospect.
2:php
With the support of the open source community, the prospect is good, but I really don't see any other use except as a website. My website is built with it, and it is also related to the second-hand transaction of college students' campus, called "Sky Paradise". If you do it in php, I can tell you the construction of the website, and I can also communicate with others.
3:asp，jsp
The former is gradually being introduced into the historical stage, and the latter has a narrow scope of application, which is basically limited to some banks, government departments and other big heads.
In short, these languages are all based on C and C++. No matter what language, as long as the foundation of c/c++ is laid well, there is a way to cover it. I studied C and C++ in college, and then I worked as an MFC project with my teacher for nearly a year. You can communicate if you have any questions.