Affects PMD Version: 6.37.0
Rule: UselessStringValueOf
Description: False positive, when there is no initial String to append to.
Code Sample demonstrating the issue:
40b5f95/#3490
public class Test {
private short getPrefix(long id) {
return 0;
}
private short getTimestamp(long id) {
return 0;
}
private short getCounter(long id) {
return 0;
}
public String toShortString(long id) {
return String.valueOf(getPrefix(id)) + getTimestamp(id) + getCounter(id); // (12)
}
}
Expected outcome:
PMD reports a violation at line 12, but that's wrong. That's a false positive.
Running PMD through: Maven
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