Fix/suppress PMD CompareObjectsWithEquals findings (#11476)
Newer PMD versions discover more CompareObjectsWithEquals findings. Related to https://github.com/openhab/static-code-analysis/pull/423 Signed-off-by: Wouter Born <github@maindrain.net>
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@@ -190,7 +190,7 @@ public class Device {
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* @return
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*/
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public boolean hasSerialNumber() {
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return (serialnumber != null && serialnumber != "");
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return serialnumber != null && !serialnumber.isEmpty();
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}
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/**
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