classification
boutiqueResponsibility Chain Model of Design Model
preface
Many frameworks such as mybatis plug-ins, servlets filter, dubbo, security frameworks such as Spring sec...
Free 
boutiqueFrom Java 9 to Java 17 to Java 12
There are not many features that are useful to developers in Java 12, but it is still useful.
String enhancement
Java ...
Free 
boutiqueSubscription and publishing model in Java programming
1. Foreword Quick Hand released "Seeing" the day before yesterday, received rave reviews, overshadowed the previous "Hou Lang". Nowadays, inside...
Free 
boutiqueSeveral ways to remove elements from Java Collection
1. The preface operation set is something Java programmers repeat almost every day. Today let's study...
Free 
boutiqueWhen calculating in Java development, please be sure to use BigDecimal to calculate. BigDecimal summarizes and summarizes
Preface Today, a junior developer in the group asked why the tester tested that the price calculation module he wrote had calculation deviations...
Free 
boutiqueJava random number traps
preface
We should be familiar with random numbers. We use them to generate Captcha in business, or we have low requirements for repeatability...
Free 
boutiqueSharing tips for java enumeration
1. Introduction Java enumerations are very useful in development. Today, let's analyze a few tips and answer some students 'questions...
Free 
boutiqueJava Collection Collation Interface Comparator
1. The preface recently used set sorting (based on Java 8). Now I use Stream whenever I can,...
Free 
boutiqueJava enumerates implement state machines to streamline your state change logic
preface
I believe that many java developers have written about status changes, such as order processes, leave processes, etc. Generally...
Free 
boutiqueJSON Class Library Jackson Elegantly Serializes Java Enumeration Classes
1. Preface In Java development, in order to avoid too many magic values, we use enumeration classes to encapsulate some static state generations...
Free 
boutiqueDiscussion on Functional Programming
1. Foreword has become busy recently, and there is less and less time to write. I started trying in Java development these days...
Free
boutiqueFrom Java 9 to Java 17 to Java 10
In the previous article, we reviewed some features of Java 9, and today we will take a look at what features Java 10 brings...
Free 
boutiquePrinciples of Java Code Generator
1. Foreword I wrote an article about the Mybatis Plus code generator a few days ago, and many students privately asked me about this code...
Free
boutiqueFrom Java 9 to Java 17 to Java 11
Java 11 is another LTS version since Java 8 and is currently one of the most used LTS versions in the world. Today I...
Free 
English 
Chinese