So lately i have been diving really deep (or not really) into Java. I found Java's null is interesting. I think, i hate NullPointerException
very much. And most of the time, i hate my own way to deal with those things.
Btw, if you hate compiling Java's code just to test a one-line command, you may use [JavaRepl], which will give you an interactive mode of Java compiler.
This is interesting. If you run