Programmer Group

1. Preface_For java, a lot of work is done by jvm, such as memory allocation and recycling, other system-level calls. This actually blocks some things at the bottom of the operating system. It's convenient for javaer but also confusing (I'm not a pure javaer yet). Many of the detailed concepts are still not very clear, especially when it comes ...

Absrtact: This article takes you to understand JDK dynamic agent and CGLIB dynamic agent This article is shared from Huawei cloud community< This article takes you to understand JDK dynamic agent and CGLIB dynamic agent >, author: skin shrimp. What's the difference between the two 1, Jdk dynamic proxy: use the interceptor (to implement In ...

abstract The exception and exception handling mechanism in java will be explained in detail. Exception is a tool commonly used in development and a means to deal with program exceptions. This paper will introduce in detail the principle of using try catch in JDK to deal with exceptions. Exception type An unexpected event that occurs when a p ...

preface    the deadlock problem in the case of HashMap concurrency exists in jdk 1.7 and before. jdk 1.8 has been repaired by adding loHead and loTail. Although it has been repaired, if concurrency is involved, it is generally recommended to use CurrentHashMap instead of HashMap to ensure that thread safety problems will not o ...

brief introduction AtomicStampedReference is an atomic class provided under the java concurrency package. It can solve ABA problems that cannot be solved by other atomic classes, such as AtomicInteger ABA problem ABA The ABA problem occurs in a multithreaded environment. When a thread reads the same memory address twice in a row and gets ...

prefaceIn the source code implementation of Mybatis, the design idea of dynamic agent is used. In order to understand the dynamic agent in Mybatis, this article will study the JDK dynamic agent combined with examples and source code, and finally summarize the differences between JDK dynamic agent and CGLIB dynamic agent, so as to help better un ...

Concept and definition of FST The full name of FST serialization is Fast Serialization Tool, which is an alternative implementation of Java serialization. Since the two serious shortcomings of Java serialization mentioned above have been greatly improved in FST, the characteristics of FST are as follows: The serialization provided by JDK i ...

1 from static agent to dynamic agent For example, some people will be urged to marry by their parents when they reach the marriageable age. Now, under various pressures, many people choose to marry and have children later. So anxious parents began to date their children everywhere, more anxious than their children themselves. Let's look at the ...

ServiceLoader uses the reverse control in JDK ServiceLoaderFactoryBean AutowireCapableBeanFactory#createBean BeanDefinitionRegistry#registerBeanDefinition RumenzFactory interface and default implementation class DefaultRumenzFactory RumenzFactory.java package com.rumenz; public interface RumenzFactory { //jdk1.8 default implementation ...

preface I didn't plan to write this article, but after reading the core principles of SpringBoot, I suddenly thought of the MVC automatic failure problem encountered in the previous development. Although there are many articles and official documents on the Internet explaining the reasons, I still want to have a look at it in person. What I tho ...