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Showing content from https://github.com/pmd/pmd/issues/2320 below:

[java] NullAssignment - FP with ternary and null as method argument · Issue #2320 · pmd/pmd · GitHub

Affects PMD Version:
6.20

Rule: NullAssignment
Description:

Code Sample demonstrating the issue:

public String methodOne(String one, String two) {
        return "test";
    }
public String methodTwo(String one, String two) {
        List<String> strings = new ArrayList<>();
->>        return methodOne("one", strings.isEmpty() ? null : "two");
    }

Running PMD through: [CLI | Ant | Maven | Gradle | Designer | Other]
Programmatically

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