You are right, I don't know, maybe it was a way to clearly see the dependencies. It may also be due to IDE: a regular way to add package is often: I write my c

You are right, I don't know, maybe it was a way to clearly see the dependencies. It may also be due to IDE: a regular way to add package is often: I write my code, IDE is not happy because I did not import Class, I automatically fix the issue, which leads to importing only the required class.