Since Java 21, wrapper classes have played an increasingly sophisticated role in Java’s type system. Here’s everything you ...

some crashes reported in our prod app, tried to reproduce it but not able to, also these crashes are not consistent in behaviour. Fatal Exception: java.lang.NullPointerException: Attempt to invoke ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The correct way to convert a String to long in Java is to use the parseLong(String x) method of ...

The issue above (in the top) is because the ArrayList cannot be null checked in the SQL (and when it could in previous versions to Hibernate 6 it may not have been intended behaviour) without it ...

Convert PythonObjects to text. Convert text Strings to integers in Mojo. Mojo number guessing game All of this will be achieved through the development of a simple, Mojo-based number guesser game.

My last article, “Java XML and JSON: Document processing for Java SE, Part 1” introduced a variety of document transformation and processing techniques using SAXON and Jackson.