Avoid using Literals in Conditional Statements.

Null passed for non-null parameter of new CoverageScore(String, String, CoverageConfiguration, Node, Metric) in edu.hm.hafner.grading.CoverageScore$CoverageScoreBuilder.build()

Unchecked/unconfirmed cast from com.fasterxml.jackson.databind.ObjectMapper to com.fasterxml.jackson.databind.json.JsonMapper of return value in new edu.hm.hafner.grading.JacksonFacade()

Format string should use %n rather than \n in edu.hm.hafner.grading.ScoreMarkdown.getPercentageImage(String, int)

Format string should use %n rather than \n in edu.hm.hafner.grading.TestMarkdown.renderFailure(TestCase)

The field edu.hm.hafner.grading.TestScore.report is transient but isn't set by deserialization

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