A 3-day bug hunt on a 3-person team costs up to €7,200 in lost engineering time. This workshop teaches you to prevent that — unit tests, data tests, and integration tests for PySpark and Databricks Lakeflow, including Spark Declarative Pipelines.
In the previous article we saw how to load simple classes in Java. But loading classes one by one, and even exporting class files at the same way, is less practice that working with archives as JARs.
Often when somebody starts to learn Java, he meets the problems associated with classes loading. These problems are mostly always caused by class loaders described more in details in this article.
