Programmer Think

Detailed explanation of JAVA multithreading (II) III Thread state 1. Five states 2. Thread method methodexplainsetPriority(int newPriority)Change the priority of a threadstatic void sleep(long millis)Hibernates the currently executing thread for the specified number of millisecondsvoid join()Wait for the thread to terminatestatic voi ...

1. Project requirements (1) Reader information management: including the functions of adding reader information and querying and modifying reader information. After logging in successfully, users can browse the information of all readers and retrieve the information of specific readers; At the same time, you can maintain the reader information, ...

background At present, there are various promotion addresses of products in various circles. Due to the long URL address, unsightly, inconvenient collection, release, dissemination and the limitation of the number of words of various posts, wechat and microblog are using short link technology. Recently, due to the use of three-party generat ...

preface Proxy Pattern is one of the 23 commonly used design patterns of object-oriented software. Its function is to provide a proxy for other objects to control the access to this object, that is, middleman or purchasing agent For example, the proxy class can be used to implement the function of the request directly after calling the proxy ...

springboot integration jpa entry The entry case writes a crud of jpa single table 1. Prepare the springboot project Introduce dependency pom.xml <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache ...

premise Due to the business requirements of the company, the automatic test should meet the following points: Cross application testingStrong readability of test casesThe test report is readableScreenshots of failed use cases are saved and reflected in the report Based on the above points, we chose uiautomator when selecting the automation t ...

Spring boot provides us with Thymeleaf automatic configuration solution, so it is very convenient for us to use Thymeleaf in spring boot 1, Introduction Thymeleaf is a popular template engine. The template engine is developed in Java language. Template engine is a technical term and a cross domain and cross platform concept. There are tem ...

Chapter 6 notes static, final and constant design Section 1 static Static static, a special keyword in Java - Variable - Method - class - anonymous method block Static variable, class common member The static variable only depends on the existence of the class (accessed through the class)The values of static variables of all object ...

1, Data type 1. Basic data type meaning: The data of the corresponding type is assigned to the variable of the corresponding type Automatic type lifting: Small ----- > Large It can be stored normally, but it may cause a waste of memory Cast type: Large ----- > small Can not occur, which may cause loss of accuracy Small range type variable ...

1, Questions for each course Use an SQL statement to query the student table and the names of students with more than 80 points in each course. Solution 1: having Idea: if the minimum course score is greater than 80 points, then all his course scores must be greater than 80 points! code implementation SELECT name FROM xuesheng GROUP BY n ...