Affects PMD Version: 7.0.0
Rule: category/java/errorprone.xml/ImplicitSwitchFallThrough
Description:
Code Sample demonstrating the issue:
public class Test {
boolean foo(String a, String b) {
switch (a) {
case "a1":
return true;
case "a2":
switch (b) {
case "b1":
return true;
default:
return false;
}
default: // <--- false-positive ImplicitSwitchFallThrough
return false;
}
}
}
Outcome:
PMD reports a violation at line 15, but that's wrong. That's a false positive.
the outer case "a2" cannot fall through, since the inner switch is exhaustive and returns from all branches.
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