Java
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Javamailsender implements mailbox authentication
This paper starts with the problems encountered in mailbox registration verification through javamailsender, and analy…… -
On scope scope scope in spring
Today, I studied the scope of scope. The default is singleton mode, that is, scope = "Singleton". In addition, the sco…… -
Explain the URL pattern matching rules of servlets
This article introduces the URL pattern matching rules of servlets and shares them with you as follows: First, we need…… -
Based on the read and readLine methods in the custom BufferedReader
Examples are as follows: In this way, OK can be detected Both detection methods are OK. The above article is based on …… -
Java implementation of integer factorization prime factor method example
This paper describes the method of integer factorization in Java. Share with you for your reference, as follows: Title…… -
Analysis of spring AOP implementation principle
What is AOP AOP (aspect oriented programming) can be called OOP (object-oriented programming). OOP introduces the conc…… -
Java makes an example analysis of object from the perspective of JDK source code
Object is the parent class of all classes, that is, all classes in Java inherit directly or indirectly from the object…… -
Spring boot + mybatis + orcale implementation steps example code explanation
After the last implementation, add mybatis to query the orcale database Step 1: create several necessary packages. The…… -
Java Swing multi thread loading pictures (ensure consistent order)
When I was a sophomore, I did the course design and picture manager. At that time, I encountered many folders with pic…… -
Problems and solutions of Java eclipse import project (recommended)
Today, I imported several projects through eclipse. The project name appears red cross, which is intolerable for obses…… -
Java write excel operation source code sharing
These two days, I helped the teacher to build a database and import the data of all experimental transactions into the…… -
Detailed explanation of java socket communication based on bio
Bio, that is, blocking io. During socket based message communication, the socket server provides services to the outsi…… -
Java implements a specific range of complete output algorithm examples
This article describes the Java implementation of a specific range of completion output algorithm. Share with you for …… -
Spring security combined with JWT method tutorial
summary As we all know, the advantage of using JWT for permission verification over session is that session needs to o…… -
Java programming implements the method of counting the occurrence times of each character in a string
This example describes the method of counting the occurrence times of each character in a string by Java programming. …… -
Method for implementing distributed application current limiting based on redis
The purpose of current limiting is to protect the system by limiting the speed of concurrent access / requests or requ…… -
Summary of pit records using spring data JPA
preface Basic introduction to spring data JPA: JPA was born to integrate the third-party ORM framework and establish a…… -
Detailed explanation of factory pattern implementation method of Java design pattern
This paper describes the factory pattern implementation method of Java design pattern. Share with you for your referen…… -
An example of base64 encryption and decryption in Java 8
First, encryption. Here I use the base64 class The second is decryption, The above example of base64 encryption and de…… -
Analysis of object class instances in Java
Q: what is the object class? Answer: the object class is stored in Java Lang package is the ultimate parent class of a…… -
Chat room function of java socket communication
This example shares the specific code of java socket chat room function for your reference. The specific contents are …… -
Java internal test class code details
There are four types of Java inner classes we generally use: general inner class, local inner class, anonymous inner c…… -
Using socket to realize the functions of network chat room and private chat
Use socket technology to realize the functions of network chat room and private chat. The specific contents are as fol…… -
Spring + mybatis returns the result through @ ResponseBody and solves the Chinese garbled code
Problem occurrence: Return via @ ResponseBody result: terms of settlement: In spring MVC Configuration in XML But afte…… -
Example code of printing spiral matrix by Java programming
Go straight to the code. Problems encountered in Tencent's online test last night. Spiral matrix refers to a matrix in…… -
Detailed explanation of switch selection statement code in Java
Syntax of switch structure (switch statement) Let's take a look at a code example with detailed comments, which you ca…… -
Java instantiation of an abstract class object method tutorial
preface Recently, in the process of learning, I found a problem. An abstract class cannot build the object through new…… -
Maven project refers to the method of external jar package
Problem Description: There is a Java Maven web project, which needs to introduce a third-party package GDAL Jar, but t…… -
Java binary tree path and code example
Given a binary tree, find the path where the sum of all nodes in all paths is equal to the given target value. A valid…… -
On the implementation process of Java garbage collection
This tutorial is to understand basic Java garbage collection and how it works. This is the second part of the garbage …… -
Analysis of inheritance test code in Java
Inheritance: you can construct a new class based on an existing class. By inheriting existing classes, you can reuse t…… -
Jcrontab simple introduction example details
This example shares a simple introduction to jcrontab for your reference. The specific contents are as follows Create ……