When constant not staying constant?

 It would be better to read Sebastian's article first, to get the insight of it. Cuz this blog is mainly the extends of it. But first lets clarify several concept first What does a private final field mean? Private mean the scope of access is restricted into the class itself. Only method call within the … Continue reading When constant not staying constant?


Vm? Docker?

This is the big misunderstanding in my mind for ages ago. Till I checked a article days before. Which really compare VM and docker hand to hand, list out how divide is it actually. Docker is not a VM!!!!! This is the mindset in my mind since the really first day of know docker. Its … Continue reading Vm? Docker?

Why FileInputStream bad?

- This week decide to do a explanation of why picking Files.newOutputStream instead of FileOutputStream. The syntax is nearly identical, however performance won’t be the same. Different would be list below, following are the syntax of both method. As some of you guys may claver enough to spot the different. Which is OutputStream is assigned … Continue reading Why FileInputStream bad?