Programmer Group

🔥 concept 💥 process The basic unit of program operation. The basic unit of system resource allocation and scheduling. Has its own independent address space. Multiple processes can execute concurrently. Thread container 💥 thread The smallest unit of program execution. The basic unit of CPU scheduling and dispatch. There is ...

Startup process of Eureka source code Hello, I'm Wukong. Recently, I was tossing Eureka source code. Because the environment is too voluminous, I have to roll up the source code. In addition, being able to read the source code of open source projects and solve the problems encountered in the project is a symbol of strength, isn't it? If you o ...

Write before This article uses python as the programming language and the author practices it by himself. The list of topics is: Swordfinger Offer (2nd Edition) ""Swordfinger Offer (2nd Edition)"passes through the world's classic secrets for programmer interviews. Analyse typical programming interviews, collate the basic kno ...

preface ❝ Write a quick row. Can you write a Promise A deep copy... I believe you have encountered such problems in the interview or daily business more than once. You feel familiar when writing code on site, but even if you can't write it, the expected offer is far away from us o(╥﹏╥) o. Come on, guys, roll up. The daily plan is not enou ...

AQS When we construct a ReentrantLock object, we can specify a fair lock or an unfair lock by passing in a Boolean value. After entering the source code, we can find that new has different sync objects public ReentrantLock(boolean fair) { sync = fair ? new FairSync() : new NonfairSync(); } Click on the source code of FairSyn ...

Java -- collection, IO stream 1. Set (java.util. *) (1) 1. Overview I. a set is actually a container (carrier) that can store multiple objects; (array is the simplest set); II. The basic data type and java object cannot be stored in the collection, but the memory address of the java object is stored; III. the bottom layer of each diff ...

Java learning punch in: day 28 Java cultivation program (punch in day 28) Content management: today's sharing is mainly about three threads. Later, we will consolidate the File class Thread instance analysis Q1: application of threads and wizard threads Title Content: Create a thread containing instance variable i. after the ...

I can't do too many things in my life, so everything should be wonderful-------- Steve Jobs abnormal (1) Abnormal conditions in the program. (2) Abnormal system Throwable |– Error is a serious problem and we won't deal with it. |–Exception |– RuntimeException is a runtime exception. We need to correct the code |– non ...

No, let's start! Guiding language Some interviewers like to ask students to rewrite a new lock after they have finished the principle of lock, and ask them to write the general idea and code logic on the whiteboard. This kind of interview topic is very difficult. Personally, I think its focus is mainly on two parts: Check how you understand ...

From the column "front end interview questions" preface ❤️ Author home page: https://hongweblog.blog.csdn.net/ ❤️ Introduction: there is no lofty ideal. Just do what you like~ ❤️ Scan code concerns WeChat official account: > Dianc assistant ❤️ Front end learning roadmap, interview question brushing, collect ...