Detailed explanation of Java spring AOP (aspect oriented programming), java code learning case

1.SpringAOP 1.1 AOP introduction In the software industry, AOP is the abbreviation of Aspect Oriented Programming, which means: Aspect Oriented Programming, a technology to realize the unified maintenance of program functions through precompiled mode and dynamic agent during operation. AOP is the continuation of OOP, a hot spot in software de ...

Posted by kanikilu on Sat, 15 Jan 2022 17:36:34 +0100

Principle of automatic configuration in SpringBoot and making JAR package that can be assembled automatically

In SpringBoot, classes with certain conditions will be automatically assembled into a Bean in the container. Here, you need to know about configuration classes: the classes wrapped by the following three annotations are configuration classes: @SpringBootApplication@SpringBootConfiguration@Configuration Personally, the Configuration class ...

Posted by monkuar on Sat, 15 Jan 2022 02:29:47 +0100

Fundamentals of Java syntax - operators

keyboard entry Get user input dynamically //Guide Package import java.util.Sccanner; public static void main(String[] args){ Scanner input = new Scanner(System.in); // Enter an integer data int num = input.nextInt(); //Enter a string data String name = input.next(); //Enter a double data double money = input.nextDouble(); } impor ...

Posted by remal on Fri, 14 Jan 2022 21:35:32 +0100

Solid advanced programming | pay attention to the details in the contract

Supplementary knowledge: If the transfer is not related to the deployer, it is related to the trader!Gas is a unit of measurement in Ethereum network. It is an indicator designed to quantify computing power consumption. That is to say, with gas as the unit of calculation, we can easily calculate how much gas costs users need to pay to comp ...

Posted by kaushikgotecha on Fri, 14 Jan 2022 20:15:30 +0100

In this article, we'll learn more about Nginx/OpenResty. What the hell is Nginx

Detailed explanation of Nginx/OpenResty Nginx (or OpenResty) has been used in production scenarios to an amazing extent. No matter what the actual market occupation rate is, according to the projects experienced by the author in recent years, the utilization rate is 100%. However, a large number of developers around the author still know the ...

Posted by pradeepmamgain on Fri, 14 Jan 2022 15:42:13 +0100

Complete self-study C (dry goods) - documents

catalogue 1, Document classification Program file data file II. Documents file name field name pointer Opening and closing of files Sequential reading and writing of files Random reading and writing of files Text and binary files End judgment of documents file buffer case Program filedata file 1, Document classification ...

Posted by Potatis on Fri, 14 Jan 2022 10:42:51 +0100

03 construction mode Quarkus implementation

Abstract: This paper describes the construction pattern in Gof 23 design pattern with an example scenario, and implements it with Quarkus framework code. At the same time, it also gives the UML model of the implementation code. Key words: Gof 23 design mode construction mode Quarkus 1 basic knowledge 1.1 standard definition Construction patter ...

Posted by HaLo2FrEeEk on Wed, 12 Jan 2022 07:39:43 +0100

python crawls 4K ultra clear picture quality mobile phone wallpaper. Of course, the more wallpapers, the better~

preface Everyone is familiar with mobile phone wallpaper. I believe whoever turns on his mobile phone wants his wallpaper to be his favorite picture, But when a wallpaper is used for a long time, it will want to change a picture full of freshness (excluding those who love it), However, the time of selecting pictures is always constant. Some ...

Posted by jacko310592 on Mon, 10 Jan 2022 11:21:05 +0100

Zero basic Java self-study process - Java language advanced 394

There are so many BB S above. It should be understood by taking a producer consumer chestnut as an example: package com.thr; /** * @author Administrator * @date 2020-04-02 * @desc synchronized+wait+notify Thread communication example (producer consumer model) */ public class ProducerConsumerWaitNotify { public static void main(String[ ...

Posted by lemist on Mon, 10 Jan 2022 09:45:28 +0100

Station B [crazy God says Java notes] - array

Crazy God video address https://www.bilibili.com/video/BV12J41137hu 1. Definition of array An array is an ordered collection of data of the same type.Array describes several data of the same type, which are arranged and combined in a certain order.Among them, each data is called an array element, and each array element accesses them ...

Posted by drizzle on Wed, 05 Jan 2022 07:12:45 +0100