Tag: java

The back-end

Why is alibaba Java development manual so stipulated?

January 17, 2024

by 朱惠婷

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ModCount is defined in the abstract class AbstractList, is to modify the number of times the collection structure, such as add elements, remove elements such...

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The back-end

Here comes Java10, with its new JIT compiler

January 17, 2024

by Robert Martin

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For most application developers, the Java compiler refers to the Javac directives that come with the JDK. This instruction compiles the Java source program into...

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The back-end

Synchronous programming is no longer mainstream? Ali technical officer first Java asynchronous programming top tutorial notes successfully refresh my cognition!

January 17, 2024

by Millie Porter

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Java developers generally prefer synchronous code because the request/response approach is simpler and fits the programmer's mindset. This is fine until the system hits a...

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reading

Ali Java engineer recruitment, “code specification certification” into a plus

January 17, 2024

by 蕭宗翰

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If you look at the position of Java engineer advertised by Alibaba Cloud, you will find that "students who have passed the alibaba code specification...

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android

EffectiveJava – 8 – exception

January 17, 2024

by Bradley Norman

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1. The exception mechanism is designed for abnormal situations, so few JVMS optimize it; 2. Putting code in a try-cache prevents modern JVMS from implementing...

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The back-end

SpringBoot2.x development case for integrating Quartz task management system

January 17, 2024

by Claudia Chapman

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CRUD task management system based on Spring-boot 2.x + Quartz, suitable for small and medium projects. Based on spring - the boot + quartz CRUD...

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The back-end

From Java to Scala (iii) : Object applications

January 17, 2024

by Madison Johnson

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In the last Java to Scala series, I think you have more or less a grasp of object in terms of language features. After understanding...

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reading

Introduction to generics, generic classes, generic methods, wildcards, erasing

January 17, 2024

by Katherine Burgess

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Tags :Java Basics What are Generics? Java generics design principle: As long as there are no warnings at compile time, ClassCastException is not a ClassCastException...

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The back-end

JDK15 is coming and you don’t know what’s new in JDK8 yet!

January 17, 2024

by Adam Shields

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Oracle now releases an official JDK release every six months. According to the time, JDK15 will be released this month. However, most companies are still...

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The back-end

Learning tips for a responsive programming Reactor

January 17, 2024

by 劉鈺婷

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Responsive programming is an asynchronous programming method focusing on data Streams and the propagation of change. This means that it can express static (such as...

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The back-end

Back to Basics design Patterns: Do you really understand singleton patterns?

January 17, 2024

by Richard Mcclain

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Singleton patterns are the first design patterns most of us encounter, so there are lots of good and bad sharing online, and even a lot...

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The back-end

Java8 Stream is really delicious, you never know if you haven’t experienced it

January 17, 2024

by Ryan Chaudhary

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JDK8 brings a lot of convenience to programmers. Even Java programmers can fight with Python, Ruby, etc. This is because JDK8 is finally starting to...

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reading

Yuqian Finance Wuhan R&D Center is recruiting Java development engineers

January 17, 2024

by Devin Padilla

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1. Bachelor degree or above in computer science or related field. 2.3 years working experience in J2EE. 3. Familiar with Spring, SpringMVC, Mybatis, Hibernate, Jquery,...

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The back-end

Analysis of wait Notify method for concurrent programming

January 17, 2024

by Tushar Chopra

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Happy New Year's Day 2018. 1. How to use Notify Wait? Today we are going to learn or analyze the Object class wait notify two...

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The back-end

Adaptive current limiting principle analysis of Sentinel system

January 17, 2024

by Dr. Angela Moran

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In my opinion, system adaptive flow limiting is a practical and valuable function in the actual production environment. In the actual production environment, it is...

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The back-end

Distributed transaction solutions — Flexible transaction and Service patterns

January 17, 2024

by Keith Lopez

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Here is a brief summary of the previous several articles, as background knowledge for this article. In distributed system, there is CAP theory, and the...

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The back-end

ConcurrentLinkedQueue of the concurrent container

January 17, 2024

by 徐柏翰

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Collection classes, such as ArrayList and HashMap, are often used in single-threaded programming, but they are not thread-safe. There are also a lot of points...

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The back-end

What is ThreadLocal?

January 17, 2024

by Kimberly Frazier

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This post is a summary of ThreadLocal, a free course on MOOCs. This course introduces ThreadLocal very clearly and deeply into the underlying principles and...

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The back-end

Drools Rules Engine – An introduction to Drools

January 17, 2024

by John Davis

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Welcome to add Echo wechat (wechat id: T2421499075) for exchange and learning. Based on what was described in the previous articles, let's design a rules...

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The back-end

Do not learn countless — SpringBoot entry ⅰ

January 17, 2024

by 秦婷婷

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When you first get to know the SSM framework, you must be bothered by the configuration file of the framework. You need to configure a...

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The back-end

Java concurrency – Atomic variable classes

January 17, 2024

by Hazel Sanghvi

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Nonblocking synchronization replaces locks with underlying atomic machine instructions (such as compare and swap instructions) to ensure consistency of data across concurrent access. The implementation...

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The development tools

Rainbow Brackets (Rainbow Brackets)

January 17, 2024

by Alice Murdoch-Nielsen

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This an open source project: https://github.com/izhangzhihao/intellij-rainbow-brackets interface effect like this diagram by configuring the color, make the selected range brackets highlighted by S online installation

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The back-end

Alibaba Java Development Manual: Programming protocol. OOP

January 17, 2024

by Anna Pedersen

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2. [Mandatory] All Override methods must have the @override annotation. Description: getObject() and get0bject() problems. One is the letter O, the other is the number...

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The back-end

Install the latest version of Python3.8.4 in Centos7.3

January 17, 2024

by Nayantara Devan

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As of this time, the latest version of Python on the Python website is Python3.8.4. Because centos7.x is the default Python2.7 environment on cloud servers,...

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The back-end

Multilanguage application performance monitoring system: Elastic APM

January 17, 2024

by Kathleen Malone

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ElasticAPM is an application performance monitoring system built based on ElasticStack. ElasticAPM allows you to monitor your application, glean detailed performance on request response times,...

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The back-end

Want to implement Excel and Csv export in Java? There you go

January 17, 2024

by Umang Dar

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I recently encountered a requirement in a project to provide a back-end interface for downloading Csv and Excel tables. This interface receives query parameters from...

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The back-end

The JWT framework simply tests which one is your favorite

January 17, 2024

by Ehsaan Yohannan

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Given that JWT is a standard, not an implementation, there are numerous frameworks that implement JWT in JAVA (in-house JWT frameworks). The official recommendation is...

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reading

Hacking weblogic

January 17, 2024

by Laura Lowery

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FromHacking-weblogic-sysmox.com.pdf0x00 Introduction This article describes how an attacker can attack WebLogic using default passwords. WeblogicWebLogic is a product of bea company in the United States

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android

Edit compiled class files using custom Gradle plug-ins

January 17, 2024

by Justine Twidle

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You may not feel the need to do this, but one application scenario is to add a line of code to each compiled class file....

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reading

Java intern (monthly salary 3K-5K) should have what knowledge and ability?

January 17, 2024

by Benjamin Begum-Clark

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It has been more than a year since I graduated. During this year, I have learned a lot thanks to my technical management staff and...

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