Summary of basic knowledge of Java Web, three ways to create threads in Java Concurrent Programming
2, Implement Runnable interface 1. Define a thread class to implement the Runnable interface and override the run() method of the interface, which still contains the program to be executed. 2. Create a Runnable implementation class instance, pass it as the target parameter, and create a Thread UTF-8...
Posted by djfox on Sat, 07 Aug 2021 10:24:05 +0930
SpringBoot profile, Ali Java interview Treasure Book
In the previous post, we learned in detail about SpringBoot's Unified Log Processing Mechanism and the practice of combining local and distributed logs through slf4j's bridging principle. In this post, we explored the configuration files in SpringBoot in detail. SpringBoot Profile ConfigurationUTF-8...
Posted by juancuca on Sun, 08 Aug 2021 02:54:12 +0930
Spring-MVC-Core Call Process, Swordfinger Java Interview with Baidu Cloud
long startTime = System.currentTimeMillis(); Throwable failureCause = null; doService(request, response); } > Get into`doService`Method > > In class: org.springframework.web.servlet.`DispatcherServlet` ```java protected void doService(HttpServletRequest request, HttpServletResponse response) tUTF-8...
Posted by northk on Sun, 08 Aug 2021 03:15:39 +0930
springboot interview summary, really, kafka to see this is enough
Zookeeper is easy to set up on one machine, directly from www.apache.org/dyn/closer.... Download a stable version of Zookeeper from the official website. I'm using 3.4.10. When the download is complete, create a zookeeper folder in the / usr/local directory of your Linux system. Use xftp tools UTF-8...
Posted by spawnark on Sun, 08 Aug 2021 03:45:30 +0930
Java online written test question bank, too strong! Four mainstream current limiting strategies
Why zset? Because there is a weight in the zset of redis besides the value. It will be sorted according to this weight. If we take our time unit and timestamp as our weight, we only need to follow a timestamp range when obtaining statistics. Because the elements in zset are unique, our values UTF-8...
Posted by mendoz on Sun, 08 Aug 2021 06:14:16 +0930
Java learning notes - collection, Tencent Java interview questions
List to Array: import java.util.List; public class HelloWord { public static void main(String[] args) { List list = List.of("apple", "pear", "banana"); //Method 1 Object[] array = list.toArray(); for (Object s : array) { System.out.println(s); } //The second method is to specify the typUTF-8...
Posted by Navajo on Sun, 08 Aug 2021 08:09:34 +0930
set Collection Framework, the most comprehensive summary of springcloud interview questions
s.add(new student("xxx", 18)); for (Object object : s) { System.out.println(object); } } } //Create a new student class public class student { private String name; private int age; public String getName() { return name; } public void setName(String name) { this.name = name; } public int getAgeUTF-8...
Posted by AngusL on Sun, 08 Aug 2021 08:29:09 +0930
Spring transaction and transaction abstraction, summary of interview questions of Alibaba P8 architect for Java manufacturers
String desUserId = "xnn"; int money = 500; Connection connection = null; try { //1. Load database driver Class.forName("com.mysql.jdbc.Driver"); //Get database connection connection = DriverManager.getConnection(url, username, password); //Open transaction connection.setAutoCommit(false);//If tUTF-8...
Posted by asphpguy on Sun, 08 Aug 2021 08:39:56 +0930
When I downloaded the written interview dictionary for Java programmers, my sister Dandan cried and said to me: Senior
java.lang.invoke package The main purpose of sdad package is to provide a new mechanism for dynamically determining the target method, called "Method Handle", in addition to relying solely on symbolic references to determine the called target method. sda sdad * * [note]: * * in the Java languaUTF-8...
Posted by AndyB on Sun, 08 Aug 2021 09:00:41 +0930
R2DBC, True Question Analysis for Huawei Java Interview in 2021
Official documents:https://docs.spring.io/spring-data/r2dbc/docs/1.1.0.RELEASE/reference/html/#r2dbc.datbaseclient.fluent-api 1. Introduction (from the official website) R2DBC Is the acronym for Reactive Relational Database Connectivity.R2DBC is an API specification initiative that declares a rUTF-8...
Posted by Havok on Sun, 08 Aug 2021 09:40:30 +0930