Schoolboys and schoolgirls, if you want to understand Java bytecode, just read this( Super hard core, recommended Collection)

Hello students, today the second brother is to pay off the debt, remember to drag it to the end of the article and then come back to read carefully, OK! Recently, I have been learning about Java virtual machine and bytecode, so that I can become a really powerful technology boss one day! I don'UTF-8...

Posted by CentralOGN on Thu, 13 May 2021 06:44:12 +0930

JVM_11 class loading and bytecode Technology (class loading and class loader)

Learning video link: Black horse programmer JVM complete tutorial 1. Class loading phase 1.1 loading phase Load the bytecode of the class into the method area, and use the instanceKlass of C + + to describe the java class _ java_mirror is the class image of Java. For example, for String, it isUTF-8...

Posted by nyy2000 on Sun, 16 May 2021 06:35:18 +0930

Build a Java development environment based on vscode(arm64) configuration (Integrated web Framework Springboot)

The original text is reproduced from "Liu Yue's Technology Blog" https://v3u.cn/a_id_194 Python may have never been heard of before, but no one has ever heard of Java. As an old programming language with a long history, it has been at the top of the TIOBE programming language for many years. ItUTF-8...

Posted by merkinmuffley on Fri, 21 May 2021 03:19:19 +0930

CentOS configuration jdk8 and tomcat8

Configure jdk8 and tomcat8 Configure jdk8 1. Download Download address: Official address (login required): https://www.oracle.com/cn/java/technologies/javase/javase-jdk8-downloads.html Download the following version: Other address: https://www.jdkdownload.com/ Download the following version: 2.UTF-8...

Posted by brem13 on Sat, 22 May 2021 02:29:38 +0930

java source code analysis reflection Constructor class

java source code analysis reflection Constructor class 1. What is it? Constructor is an abstraction used to represent constructors in java reflection. It contains information about constructors of a class. Everything in Java is an object, so every constructor is also an object. To abstract the UTF-8...

Posted by moallam on Thu, 10 Jun 2021 08:50:00 +0930

day10-Metaspace, PC Register

day10-Metaspace, PC Register Program Counter Register A Program Counter Register is a small piece of memory that can be viewed as a line number indicator of the byte code being executed by the current thread, pointing to the next instruction code to be executed and being read by the execution eUTF-8...

Posted by mustatin on Sat, 17 Jul 2021 03:59:41 +0930

Concurrency error and deadlock in java

2.8.6 concurrent errors 2.8.6.1 concept Concurrency error: when multiple threads operate on the same object, the continuous multi line operations in the thread body may not be able to be executed continuously. It is likely that the operation is only partially completed and the time slice is sudUTF-8...

Posted by Loathor__Healer on Fri, 23 Jul 2021 05:20:23 +0930

Learn about hotspot

It is mainly about the file differentiation of Hotspot 1. File description under / hotspot / SRC Folder namedescribecpuHardware related layerosSoftware related layeros_cpuSoft and hard related layersharePlatform independent layer: C + + language 2. File description under / hotspot / SRC Folder UTF-8...

Posted by ben_johnson1991 on Thu, 05 Aug 2021 07:04:24 +0930

The implementation principle of HashMap is enough to read this article. The graphic source code is explained in detail, simple and easy to understand

HashMap is a collection container that senior java engineers in the front line must be proficient in. Its importance is almost equal to the importance of Volatile in concurrent programming (visibility and order). This article makes a detailed explanation of the graphic source code to deeply anUTF-8...

Posted by MattReider on Mon, 13 Dec 2021 19:47:14 +1030

java core technology -- Proxy with source code

1, Understanding agents Proxy is a design pattern that provides another access to the target object; That is, the target object is accessed through the proxy object The advantage of this is that additional function operations can be enhanced on the basis of the realization of the target object,UTF-8...

Posted by Sobbs on Fri, 24 Dec 2021 04:54:46 +1030