Sorted:

How to resolve the issue of Maven settings not taking effect?

How to use anonymous inner classes to create threads in Java?

What is the purpose of collectors.toMap in Java?

How can the idea change the storage location?

How can I view the maven settings configuration file?

How to set up notifications to be silent on an Android system?

How do you specify the settings file in Maven?

How can the Maven settings configuration file take effect?

How is the std::ifstream used in C++?

how to call the “interface” keyword in Java