The Java Java assert statement can be used for conditionally checking program invariants. Assertions are enabled or disabled with the desired level of granularity by Java Virtual Machine flags, as … (more…)

Second part of Scala enumerations, after some discussions. Looking at enumerations libs overheads, and Java enums as an alternative.

The challenge Assume "#" is like a backspace in string. This means that string "a#bc#d" actually is "bd" Your task is to process a string with "#" symbols. Examples Test cases The solution in Java Option 1: Option 2 (using regex): Option 3 (using substrin... (more…)

Dan Heidinga discusses how to start a Java application faster, and how Graal Substrate VM, Quarkus, Project Leyden, and others can help with that. (more…)

This gets interesting when you find your way into a mail server, says dev who found it... (more…)