I’ve decided to give the 100 days of code challenge a go. @digitalarbyter on Instagram started it using the #robs100daysofcode hashtag. He was kind enough to point me to @coding_rob as the original source of the hashtag. And there is also the #100daysofcode. This one has a dedicated page and is more elaborate in the rules section. What are the …
I was contacted recently by the guys over at Samebug. We had a few chats about their product and we came to the subject of JUnit5 extensions. At that point, I volunteered to make a Samebug extension, one that will harness Samebug’s power and enrich the error output of tests. But let’s take it from the top. What is Samebug? Samebug is …
A few days ago I needed to publish a library to Maven Central for the first time. After publishing, my plan was to write a tutorial on how it is supposed to be done. But it turned out there was absolutely no need for yet another tutorial. Sonatype’s OSS Repository Hosting (OSSRH) does a perfect job at explaining in detail …
When serializing POJOs to JSON we lose a very valuable information about the polymorphic nature of the Java object. When we deserialize the same object from JSON we have to know the exact object type and we cannot deserialize to a supertype. Lucky for us, Jackson offers the option of polymorphic deserialization. The problem when deserializing JSON to POJO Let …
