Programmer Group

Spring 1. Introduction 1.1. What is Spring Spring is a lightweight open source framework for layered Java SE/EE application full stack, with IoC (Inverse Of Control) and AOP (Aspect Oriented Programming) as the kernel. It provides many enterprise application technologies such as presentation layer SpringMVC, persistence layer spring JDB ...

Author: Zhang xishuo\Source: https://segmentfault.com/a/11...introductionOpen to-do, and note that the authentication allows you to explain the agent mode.I happen to encounter a question like this: how to implement Spring AOP without Spring?I like such questions. I can PK those who never think about adding, deleting, changing and checking ever ...

Discussion on the idea and source code of restoring IP address      The problem of restoring IP address is shown in the figure below. This problem belongs to the type of string and backtracking. It mainly focuses on the use of backtracking traversal method and the understanding of the characteristics of string itself. In th ...

1, Classification 1. Error 2. Exception Compile time exceptionRuntime exception 2, Processing mechanism 1. Catch exception try-catch-finally try{ //After an exception occurs, the code behind the try block exception will not be executed and will directly jump to the catch block }catch(Exception e){ //Only when an exception occu ...

When a program actively uses a class, if the class has not been loaded into memory, the system will initialize the class through the following three steps load Load the bytecode content of the class file into memory, convert these static data into the runtime data structure of the method area, and then generate a java.lang.Class object represe ...

Hello, I'm misty. Today, we continue to bring you the sixth article of the old bird series of SpringBoot. Let's talk about how to implement asynchronous programming in the SpringBoot project. Introduction to the old bird series: 1. How does springboot unify the back-end return format? That's how old birds play! 2. How does springboot perform ...

Tomcat source code analysis - startup The source code of this article comes from Tomcat 8.5.33 The reference cited in this paper is Tomcat architecture analysis - Liu Guangrui Note: This article is a serial article. You can refer to the previous article class loader initialization and the subsequent article processing requests ...

On the day of the bright moon, I don't know if you miss anyoneprefaceI've actually written it before Spring boot sends mail asynchronously However, today, when I need to send e-mail in a small project, I suddenly feel that there is only one sender of e-mail, and it is very inappropriate to write it in the yml file, so I think about how to integ ...

1, JSON overview JSON refers to JavaScript Object NotationJSON is a lightweight text data exchange formatJSON is language independent: JSON uses Javascript syntax to describe data objects, but JSON is still language and platform independent. The JSON parser and JSON library support many different programming languages. At present, many dynamic ...

On the day of the bright moon, I don't know if you miss anyone preface I've actually written it before Spring boot sends mail asynchronously However, today, when I need to send e-mail in a small project, I suddenly feel that there is only one sender of e-mail, and it is very inappropriate to write it in the yml file, so I think about how to ...