How to disable "Access can be package-private" message in IntelliJ?

Question

Developing an API, the warning message "Access can be package-package" in Java classes can be really annoying.

I've already spent some time going through the settings to find a way to disable this message but without any findings. Any idea how to disable the message?

Answer 1

Go to Settings → Editor → Inspections then Java → Declaration redundancy → Declaration access can be weaker rule.
Here you can either disable it at all or select the suggestion options on the right pane:

Answer 2

检查规则是“声明访问权限可能较弱”，有两个选项可以禁用“建议包 - 私有可见性级别......”

Answer 3

要根据具体情况禁用，请使用

@SuppressWarnings("WeakerAccess")

Answer 4

Move the cursor to public , press Alt + Enter and choose one of the options:

Answer 5

Another solution not mentioned so far: if you have a method that's declared public, and the IDE is telling you that there are no references to the method from outside the package, then perhaps you need to add a test case that calls that method from outside the package. In other words, treat the warning as signalling the absence of a test case for a public method.

Answer 6

Well, one possible reason could be a redundant class-type.

For instance:

Here, in the above image, "public" keyword is not necessary.

Removing the "public" keyword:

Solves the issue in this simple program.