Source code analysis of four ways to create a thread pool
Abstract: From the source code to create a thread pool in-depth analysis of what ways can create a thread pool. This article is shared from...
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Tag: java
Force buckle 22 – parenthesis generation
December 6, 2023
by Eva Barr
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The number n represents the logarithm of the generated parentheses. Please design a function that generates all possible and valid combinations of parentheses. The sample
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Internet of Things Cloud Intelligent Development — EMQ X Cloud server building and testing tutorial
December 6, 2023
by Frank Green
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Recently, I used EMQ server to transmit MQTT protocol information when I was developing the Internet of things. Today, I would like to record the...
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(Tencent, Alibaba, Bytedance, Baidu, Meituan)
December 6, 2023
by Melissa Proctor
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These interview questions are the real outflow of the Interview content of the Internet factory, each question with complete detailed answers, unlike those on the...
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Concurrent programming (JUC) series (5)- CAS&Atomic series
December 6, 2023
by Megan Miles
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The mapping of these two factions to concurrent programming is analogous to locking and no-lock strategies, in that locking is a pessimistic strategy and no-lock...
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A + AA +aaa+ + aaaaAAAAA =?
December 6, 2023
by 康中山
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Small knowledge, big challenge! Where a is a number from 1 to 9, the number of items can also be specified to print:
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Developing IM (Instant Messaging) Server from Scratch (2)
December 6, 2023
by Johnny Woods PhD
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This article will take you to build a lightweight IM server from scratch. The overall design ideas and architecture of IM have been described in...
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The principles and usage of Sessions in Java Servlets
December 6, 2023
by Saira Mahal
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This paper introduces the principle and common usage of Session technology in Java Web in detail. This paper introduces the principle and common usage of...
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Java reflection
December 6, 2023
by Jeffrey Warren
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These objects are manipulated during the execution of the program. Can be decoupled, improve the scalability of the program. 1. Set value: void set(Object obj,...
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HashMap in JDK8 still causes an infinite loop!
December 6, 2023
by Kiaan Bir
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If you've heard about the problem that HashMap has solved since JDK8, it doesn't cause server load spikes, although HashMap still says threads are unsafe....
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Starting from scratch, handwritten GC algorithm can run | | sorting algorithm with complete source code
December 6, 2023
by Gerard Sharp
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In this paper, Lisp2 algorithm developed by Donald E. Knuth is implemented. Based on C language, the marking stage in mark-collation algorithm is exactly the...
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I open source this easy to use Excel export tool!!
December 6, 2023
by Dennis Gray
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Mykit-excel plug-in is a general excel import and export framework, designed to provide a general Excel import and export function, support to annotate the selection...
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Java Memory Model Basics
December 6, 2023
by Ella Harrison
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The cache in the operating system is shown in the figure above. The operating system divides memory and cache into blocks of equal size. Then,...
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Relearn Java design patterns: Live adapter patterns
December 6, 2023
by Nitara Kalla
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After working for about 3 years, a large part of programmers wanted to upgrade their technology stack and began to try to read some source...
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In 2020, which Java logging framework performs better? — Technical selection
December 6, 2023
by William Gray
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After the first two articles in this series, we learned that the war of logging frameworks has ended with the dominance of SLF4j. However, SLF4j...
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Problem 31. – Next permutation
December 6, 2023
by Shlok Chandra
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To implement the function that gets the next permutation, the algorithm rearranges the given sequence of numbers into the next larger permutation in the lexicographical...
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Simple Lambda expressions (for JAVA beginners)
December 6, 2023
by Cynthia Smith
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This is the 11th day of my participation in the More Text Challenge. The more Text Challenge simple Lambda Expressions - Some sample implementations and...
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What is CAS in Java?
December 6, 2023
by Elizabeth Crawford
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What is CAS in Java? CAS, also known as compareAndSwap, compares and replaces the implementation in Java. Here is a partial implementation of the AtomicInteger...
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Mail sending function based on 163 mailbox
December 6, 2023
by Nicole Mayo
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POP3 stands for Post Office Protocol 3. POP3 stands for Post Office Protocol 3. POP3 stands for Post Office Protocol 3
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Latest Java interview questions
December 6, 2023
by Mark Greenwood
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ResultType is the entity class and database table field one-to-one mapping, directly return type. 3. If the Bean implements the BeanNameWare interface, the factory calls...
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Java Learning – Enumerations and annotations
December 6, 2023
by Dale Bishop
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This is the 20th day of my participation in the August More text Challenge. The activity details are as follows: 1. Examples are as follows:...
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Language features, class declaration, member, object, reference and memory map, member variable memory, method declaration and use (8)
December 6, 2023
by Ryan Lopez
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Object oriented programming thought class member variable object package member variable memory map class member method method and variable call
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Based on SpringCloud micro-service system design, 50,000 words summary!
December 6, 2023
by 高郁婷
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Microservices architecture is essentially a distributed architecture, not so much a new architecture as a microservices architecture style. To put it simply, the microservice architecture...
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Today we are not talking about principles, but thread pool best practices that are ready to use
December 6, 2023
by Christopher Hancock
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At around 5,000 words long, this article is definitely dry work. The title is a little exaggerated, heh heh, actually are their own use of...
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Leetcode (4)
December 6, 2023
by Dr. Allan Harris
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The URL. Write a method to replace all Spaces in a string with %20. Assume that there is enough space at the end of the...
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JSP bits and pieces
December 6, 2023
by Leigh Smith
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Page directive: A page directive that defines the global properties of a JSP page. This configuration applies to the entire JSP page. The page directive...
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Java Basics: Learn about ArrayList
December 6, 2023
by 閻家瑋
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First, understand that an array is an ordered collection of data of the same type. The locations where elements are stored in an array are...
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Load, performance test tool -Gatling
December 6, 2023
by Shelley O'Donnell
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Gatling is a powerful load testing tool designed for ease of use, high maintainability and high performance. Out of the box, Gatling's excellent support for...
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Spring Boot 2.4 New Features reduces memory usage by 95%
December 6, 2023
by Graeme Pope
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Save 95% memory usage and 80% startup time. GraalVM[1] is a high-performance virtual machine that can significantly improve the performance and running efficiency of programs...
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Talk about the Native Memory Tracking of the HotSpot VM
December 6, 2023
by Megan Hernandez
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Sequence in this paper, we study the HotSpotVM NativeMemoryTrackingNativeMemoryTrackingjava8 to HotSpotVM introduced NativeMemoryTracking (NM
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