Affects PMD Version: 6.41.0
Rule: MissingStaticMethodInNonInstantiatableClass
Please provide the rule name and a link to the rule documentation:
https://pmd.github.io/latest/pmd_rules_java_errorprone.html#missingstaticmethodinnoninstantiatableclass
Description:
Using a method nested class causes a false positive:
PMD Failure: Scratch$InnerClass:11 Rule:MissingStaticMethodInNonInstantiatableClass Priority:3 Class cannot be instantiated and does not provide any static methods or fields.
Code Sample demonstrating the issue:
public class Scratch {
public static void main(String[] args) {
Scratch scratch = new Scratch();
scratch.callMethod();
}
void callMethod() {
class InnerClass {
private InnerClass() {
}
void display() {
System.out.println("Works OK!");
}
}
InnerClass innerClass = new InnerClass();
innerClass.display();
}
}
This code compiles just fine and running it prints Works OK!.
Expected outcome:
PMD understands this code just fine
PMD reports a violation at line 11, but that's wrong. That's a false positive.
Running PMD through: [Maven]
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