classification
boutiqueFuture interface in Java
1. Introduction Java 1.5 provides the java.util.concurrent.Future interface to handle asynchronous calls and concurrency...
Free boutiqueSummary of core knowledge of java annotation
1. preface
A few years ago, our project was still running on structs 2, and once I asked a colleague if he knew
Spring...
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 boutiqueDetailed usage guide for the Java 8 Stream API
1. overview
An important feature introduced by Java 8 is undoubtedly the Stream API. Stream translates as "stream"...
Free boutiqueJava 14 New Features: JEP 359 Records(Preview)
1. Foreword Java 14 should be officially released this month (2020-03). There is a feature that the Java community has been calling for for a long time...
Free boutiqueMerge operations for Java Stream streams
1. Introduction Java Stream Api provides many useful Apis that make it convenient for us to combine collections or multiple similar types...
Free boutiqueJava 9 to Java 17
Java 17 is one of the most important LTS releases of Java, but the direct transition from Java 8 to Java 17 is too long.
Free boutiqueJava 8 Time Api User Guide Collector's Edition
1. overview
Java 8 introduces new APIs for Date and Time to solve the problem of old java.util.Date and java.util.Ca...
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 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 boutiqueHow to determine whether a string is a number in java
preface
Numbers are often represented and conveyed in strings in some fields. So how do we determine a string...
Free boutiqueResponsibility Chain Model of Design Model
preface
Many frameworks such as mybatis plug-ins, servlets filter, dubbo, security frameworks such as Spring sec...
Free boutiqueJava rapid development QR code generation service
1. Preface I don't know when it started, but our lives were suddenly filled with QR codes, even the chickens of the ladies on the street...
Free 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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