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boutiqueJava Development Tips: Reduce the Use of Magic Points
1. Preface When refactoring old code, I encountered similar writing:
public void attend(String value)...
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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...
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boutiqueNew Generation Java Database Driver Specification-Reactive Driver Specification
1. Preface Responsive programming has been around in the Java programming world for a long time. High-performance, event-driven...
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boutiqueInterpretation of the 2020 JVM Ecosystem Report
1. Foreword The 2020 JVM Ecosystem Report has been released. The report was produced by British software security service provider Snyk and Ora...
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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...
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boutiqueUnder what circumstances cannot Java generics be used
1. Introduction Java 1.5 introduces generics to ensure type safety, prevent type conversion exceptions at run time, and allow classes to...
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boutiquePrinciples of Vernacular Design Models
Why design patterns are needed
In fact, we can complete the development work without a design pattern. But why design...
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boutiqueComparator and Comparable in Java
1. The previous article in the preface briefly explained java.util.Comparator. Today we will take a look at another one and...
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boutiqueGet file path in java
1. Introduction In Java development, we often need to obtain the path of a file, such as reading configuration files, etc. Today we will...
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boutiqueResponsibility Chain Model of Design Model
preface
Many frameworks such as mybatis plug-ins, servlets filter, dubbo, security frameworks such as Spring sec...
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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...
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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...
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