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The enum class defined by enum keyword is used to implement the interface First of all, we need to know that the interfaces in the enumeration class implementation interfaces defined by enum keyword here are interfaces that internally declare abstract methods The enum class defined by enum keyword can be used to implement the interface in two ...

I studied a few days ago AQS source code In order to deepen the impression, today we will implement a lock based on AQS 1. Implement non reentrant lock based on AQS Previously, we learned the source code of AQS and learned that a custom AQS needs to rewrite a series of functions and define the meaning of the atomic variable state. In the fo ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 In reading VictoriaMetrics When I read the source code of, I read such an ordinary paragraph: // AddRows adds the given mrs to s. func (s *Stor ...

object-oriented programming Java online course: Han Shunping learned Java from zero foundation in 30 days 1. Packaging Implementation steps of encapsulation Privatize attributes [cannot modify attributes directly]A public set method is provided to judge and assign values to attributes public void setXxx(/*Type parameter name*/){ // Xxx ...

Developing serial communication under Linux with. Net Core Functional requirements: send unlocking command to the lock control board. Tip: after writing the article, the directory can be generated automatically. For how to generate it, please refer to the help document on the right You need to install the corresponding on your Linux ...

Java basic syntax 1. Process control statement In the process of a program execution, the execution order of each statement has a direct impact on the result of the program. Therefore, we must be clear about the execution process of each statement. Moreover, we often need to control the execution order of statements to achieve the functions w ...

Article catalogue static keywordInternal class Anonymous Inner Class final modifierCode blockenumeration 1.static modifier 1.1 static concept: keyword and modifier, indicating static static is a modifier: the content that can be modified: Currently, there are members in java code Can modify common methodsField [member variable] can be modi ...

1. Inherit 1.1. Inheritance and introduction The three classes have duplicate code. You can extract the common code and put it into another class; The following three classes need to have some relationship (inheritance) with the above class. The above class is called parent class (superclass, base class and root class), and the following cl ...

1. Demand analysis Student achievement management information system (1) It is implemented using structure array. N=100； (2) Based on the structure array, the basic operations such as initialization, insertion, deletion and search are realized; (3) Using files to save and read student information. #define STUDSIZE 100 #define SCSIZE 3 st ...

Computers can only understand machine codes. In the final analysis, programming language is just a string of words. The purpose is to make it easier for humans to write what they want computers to do. The real magic is done by compilers and interpreters, which bridge the gap between the two. The interpreter reads the code line by line and conve ...