After the project goes online, how to reduce customers’ doubts about the delivery?Here is the secret script of three moves>>>

The way to compile only individual classes in eclipse is to remove the hook before build automatically. Every time you modify the class file, you need to compile manually through build project

That’s the problem. When I tested the security manager I wrote yesterday morning, I removed the build automatically option and forgot about it. After I finished writing the project code in the afternoon, I ran it directly in Tomcat. The program didn’t run according to the new logic. After debugging for a long time, I finally remembered that because there was no recompilation, I still wondered what part of the problem was