Often you may want to test a single piece of code. For example, say you forget how the % operator works with negative numbers, or you must determine how a certain API call operates. Writing, compiling ...
There are some common things that are useful to know in many day-to-day Java development activities. It is especially helpful for someone new to Java development to know where to find this information ...
With each new Java platform release, the stewards of the language always include a few new preview features that can be toyed with only if a developer knows how to unlock the capabilities at runtime.