Programmer Think

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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[ ...

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 ...