The programmer's notes

Preface The video version of this article can be found on YouTube in English , Russian and Hebrew . The presentation is available here .  I...

I've created my youtube channel named "The programmer's notes" exactly as this blog. I am going to post videos about vari...

Recently I had a pleasure to read book " Java By Comparison " by Simon Harrer, Jörg Lenhard and Linus Deitz. This book plays the ...

Introduction Visitor  [1, 2] is a widely known classical design pattern. There are a lot of resources that explain it in details. With...

Preface In my previous  article  I explained how and why to use enums instead of  switch/case control structure in Java code. Here I wil...

Problem and  its solution Switch/case is the common control structure implemented in most imperative programming languages. Switch is con...

I have written a lot of blog posts that contain code snippets  in several programming languages (mostly Java). I separated each code snippet...

Today I asked myself: what does name "Gradle" mean. I asked Google and here are the first 2 answers: Answer #1 It's ...

DB #42 or how to choose technology :) We have to implement a new feature. No matter what kind of feature it is. Well, we have to expose...

Yesterday I had a discussion with my friend and he said that according to his opinion try/catch statement in java is very performance expen...

Introduction Static method format()  that was added to class java.lang.String in java 5 became popular and widely used method that repla...

Motivation Winzip can create self-extracting executable. Actually this is the unzip utility together with content of zip file that is bei...