org.sonar.l10n.pmd.rules.pmd.UselessOperationOnImmutable.html Maven / Gradle / Ivy

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PMD is a tool that looks for potential problems like possible bugs, dead code, suboptimal code, overcomplicated expressions or duplicate code.

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An operation on an Immutable object (BigDecimal or BigInteger) won't change the object itself. The result of the operation is a new object. Therefore, ignoring the operation result is an error.