Tag: jvm

The back-end

You must understand the new generation of garbage recycling: YoungGC

December 12, 2023

by Thomas Smith

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As mentioned above, Young GC (hereinafter referred to as YGC) refers to the new generation of garbage collection. The YGC process of G1 will be...

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The back-end

Class loading +JVM tuning + code optimization

December 12, 2023

by Kevin Arroyo

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We have learned about the theory of the JVM, and this chapter will focus on the practical aspects of the JVM. After the Java source...

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The code of life

Shock!!! My colleague suddenly jumped ship to Ali P7, because he secretly learned the interview questions with all JVM solutions

December 12, 2023

by Stanley Watson

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JVMS: JVMS, JVMS, JVMS, JVMS, JVMS Where is the JVM? What does the JVM do? Java Virtual MAchine A Java VM running on an operating...

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The back-end

JVM- Strong Reference Soft Reference Weak reference Virtual reference underlying principle

December 12, 2023

by 郝淑華

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When a soft reference is out of memory, it is reclaimed. What is out of memory? Weak references are collected whenever GC occurs. How does...

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reading

Everything a Java programmer needs to know about JVM performance tuning is here

December 12, 2023

by Arhaan Setty

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But how is the illusion of passing quotes created? On the run stack, the base type and reference are treated the same, passing values, so...

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The back-end

JVM

December 12, 2023

by 胡欣怡

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! [6061efc5e0b34d750984b86b.png](https://p9-juejin.byteimg.com/tos-cn-i-k3u1fbpfcp/a90ed324837e44b7aa

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android

From Java bytecode to ASM practices

December 12, 2023

by Alice Murdoch-Nielsen

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AOP is a programming idea, but it can be implemented in many ways, such as Spring, AspectJ, JavaAssist, ASM, etc. Since I'm an Android developer,...

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The back-end

In-depth understanding of jVM-bytecode execution engines

December 12, 2023

by Beth Robinson

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This chapter explains the JVM's method calls and bytecode execution from a conceptual model perspective. Interpretive execution: compiling bytecode into machine code while executing, compiling...

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The back-end

Write down the troubleshooting process of an online fault

December 12, 2023

by Sumer Bandi

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The purpose of this article is to record the troubleshooting process of the fault, summarize the experience and lessons, and improve the ability of fault...

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The back-end

The JVM knowledge

December 12, 2023

by Flynn Carpenter

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Java allocates memory in the heap for all objects. The size of the heap can be dynamically expanded. The -xms and -xmx virtual machine parameters...

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The back-end

JVM memory analysis tool MAT in depth and practice – advanced part

December 12, 2023

by Brent Carroll

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This series consists of three articles. This is the second advanced part of the series, which explains the core functions, usage and application scenarios of...

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android

Hotfix and plug-in basics – Java and Android virtual machines

December 12, 2023

by John Morrison-Kennedy

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Compile Java files into class files using Javac. The ClassLoader loads the class bytecode into the JVM's corresponding memory. The JVM allocates memory to the...

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The back-end

Thread safety in Java

December 12, 2023

by Beth Tyler

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Mutual-exclusive synchronization is also called blocking synchronization. Simply speaking, it is to make the operation performed by multiple threads into a single thread, that is,...

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The back-end

【JVM series 1】JVM memory structure

December 11, 2023

by Jivika Grewal

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Introduction THE JVM series should belong to the high-level Java content, originally wanted to wait for the Accumulation of Java basic knowledge after a period...

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android

Gradle Speed up: Saves you a cup of coffee a day

December 11, 2023

by Melissa Jensen-Evans

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As an Android developer, when your projects and code reach a certain size, you will probably encounter problems with slow compilations. For example, time is...

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The back-end

JVM class loader mechanism

December 11, 2023

by 李冠廷

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This article mainly describes the JVM class loading process and the JVM provided by the centralized class loader and the parent delegation mechanism, through the...

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The back-end

☕【JVM principle exploration 】Java various types of object memory analysis (supplement)

December 11, 2023

by 崔淑華

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This is the 21st day of my participation in the Challenge. This is the 21st day of my participation in the Challenge. On 64-bit machines,...

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The back-end

JVM Pointers to CompressedOops

December 11, 2023

by Debra Atkinson

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For 32-bit machines, the maximum memory a process can use is 4G. If the process needs to use more memory, use a 64-bit machine. For...

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The back-end

JVM garbage collection algorithm

December 11, 2023

by Adriana Montes

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1. Mark-sweep is suitable for a large number of survivable objects. Easy to generate fragments, scan twice 2, copy copy is suitable for the survival...

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The back-end

The JVM | garbage collection strategy (2)

December 11, 2023

by Jose Martinez

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This is the 20th day of my August Update Challenge. 3.1 Reference Counting Method The reference counter of an object is used to determine whether...

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The back-end

Implementing a simple virtual machine in Java?

December 11, 2023

by Navya Sastry

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A new pit has recently been opened to implement a simple interpreted JVM in Java 8. Currently, more than 100 commits have been posted scattered....

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The back-end

[JVM] (3) — Garbage collector

December 11, 2023

by Sarah Carter

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Collection algorithm is the methodology of memory collection, and garbage collector is the concrete implementation of memory collection. There are three main types of collectors:...

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The back-end

Memory structure meaning in Chinese

December 11, 2023

by Anay Agarwal

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The FULL name of JVM is Java Virtual Machine, also known as Java Virtual Machine. It recognizes files with the.class suffix and can parse its...

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The back-end

One day a day – What is Safepoint?

December 11, 2023

by Tina Simpson

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Let's start with a scenario where you need to know which objects are still in use or are no longer in use and can be...

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The back-end

Virtual Machine Interview questions (2021 latest edition)

December 11, 2023

by Roger Ward

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Preamble As a Java practitioner, when looking for a job, you will inevitably be asked about JVM knowledge. Knowledge of the JVM is seen by...

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The back-end

JVM tuning — GC tuning

December 11, 2023

by Luke Blick

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GC tuning fundamentals Adjust the size of the heap Choosing the size of the heap is a balancing act. If the allocated heap is too...

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The back-end

After giving a lecture on GC to a colleague, he has to go for an interview.

December 11, 2023

by 黃淑華

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In a sunny noon, and colleagues xiao Yong walking in the company downstairs in the small park, see a lot of little sister, thought when...

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The back-end

Learning from scratch ->JVM (5) : Class loader (2)

December 11, 2023

by Patricia Meyer

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In our last article, "Learning the JVM from the Ground up: Class loaders (Part 4)," we knew the basics of class loaders, but we didn't...

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The back-end

Java dynamic proxy and Cglib dynamic proxy the strongest king lineup

December 11, 2023

by Adriana Montes

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The previous article covered reflection [] as an introduction to reflection, and this one will focus on dynamic proxy implementation mechanisms. Dynamic proxies include JDK...

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The back-end

The JVM (ii) class loading subsystem

December 11, 2023

by Dr. Nicholas Gonzalez

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2. The loaded Class information is stored in a memory space called the method area. In addition to Class information, the method area holds runtime...

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