classification
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 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...
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 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 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 boutiqueDesign pattern: Talk about strategic pattern from the design of aggregated payment services
1. preface
Mobile payment is now very popular in China, and even the seventies-year-old lady at the breakfast stall downstairs uses it...
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 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...
Free 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...
Free boutiqueFutureTask 2 in Java
1. The first two chapters of the preface briefly analyze the Future interface and FutureTask. This article will introduce the use of FutureTask...
Free boutiqueMap and flatMap operations in Java 8 Stream Api
1. preface
Java 8 provides a very easy-to-use Stream API that makes it easy to manipulate collections. Today we come...
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 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 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...
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