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 ...

Are Java compiler (javac) and JIT one and the same thing? If you answered Yes, then read on. Long back I was asked this in an interview and (alas) I had replied in affirmative. Jos Horsmeier gave the ...

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.

There are numerous tools provided with Oracle’s HotSpot JDK that Java developers use everyday when they use the Java compiler (‘javac’), the Java launcher (‘java‘), or the Java Archive Tool (‘jar‘).