The difference between annotationType and getClass in Annotation

Introduction to the original question:  //In the Java language, through Class The Class object obtained by the forname (classname: String) method is Class <? >  //How can I make it a class? extends Annotation>  package com.github.unscientificjszhai.unscientificcourseparser.core.processor;  ​  import javax.annotation.processing.*;   ...

Added by billiondevil on Thu, 13 Jan 2022 16:13:55 +0200

Four methods of Spring Boot project authentication

Transferred from: Pillow BookLink: https://zhenbianshu.github.io/This paper introduces four ways to implement general auth in spring boot, including traditional AOP, interceptor, parameter parser and filter, and provides the corresponding example code. Finally, it briefly summarizes their execution order.prefaceRecently, I have been inundated b ...

Added by cparekh on Fri, 31 Dec 2021 04:52:17 +0200

Response processing of spring MVC

1. Transfer request data to background processing 1.1 use the default built-in view parser · ViewResolver <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/"/> <property name="suffix" value=".jsp"/> </bean> 1.2 using view controller &mi ...

Added by Boo-urns on Mon, 27 Dec 2021 10:44:00 +0200

05 Mybatis annotation development (the end of Mybatis Series)

Mybatis user manual (5 of 5, continuously updated), collection + attention, don't get lost, hope to be helpful to my friends~ The source code link is at the end of the text ↓↓ Using annotation development can reduce the writing of Mapper mapping files. 1. Mybatis common notes @Insert:Realize new @Update:Implementation ...

Added by zevious on Thu, 09 Dec 2021 07:10:17 +0200

JavaSE - Reflection - Annotation

JavaSE - Reflection - Annotation Learning objectives of this section: Understand the concept of annotation;Understand and master the use of annotations;Understand and master the Annotation interface and JDK meta Annotation;Understand and master the writing method of custom annotation;Understand and master how to use reflection to process anno ...

Added by Wireless102 on Wed, 01 Dec 2021 11:05:22 +0200

Java foundation - Stream stream, enumeration, annotation, custom annotation, meta annotation

Fundamentals of Java (23) -- Stream stream, enumeration, annotation, custom annotation, meta annotation 1, Stream stream 1. Concept Stream: it is an interface. Its function is similar to that of pipeline. It is mainly used to filter data. A stream is similar to a collection, but a collection holds data, while a stream holds operations on col ...

Added by kaushikgotecha on Wed, 24 Nov 2021 21:59:48 +0200

Java annotation definition and usage

1, What is annotation Annotation is a new technology introduced from JDK 5.0 Function of Annotation: It is not the procedure itself, which can be explained. This is no different from commentsIt can be read by other programs (such as compiler, etc.) Format of Annotation: Annotations exist in the code with the @ annotation name. You can ...

Added by jola on Mon, 22 Nov 2021 16:20:03 +0200

Java development annotation details

catalogue 1 Notes 2 classification of notes 2.1 JDK notes 2.2 yuan notes 2.2.1 @Target ElementType... 2.2.2 @Retention RetentionPolicy... 3 custom annotation 1 Notes Annotation is very powerful. It can enhance our java code, and use reflection technology to expand and realize many functions. They are widely used at the bottom of the ...

Added by alco19357 on Tue, 09 Nov 2021 13:30:40 +0200