I installed the Java Servlet API from maven warehouse? 3.1.0 and inherited in figure 2, but the overriding methods in and 4 different (FIG. 4 is the teacher's)
Why is this?

CodePudding user response:

Suggest you look at the led package problem, see you the appearance of the page should be not to choose the right place, because you can rewrite also is the object, the method of knock you try directly inside the code doGet

CodePudding user response:

reference 1st floor qq_41622282 response:

suggest you look at the led package problem, see you the appearance of the page should be not to choose the right place, because you can rewrite also is the object, the method of knock you try directly inside the code doGet

Thanks