Java
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Java serial communication implementation process example
1. Download the 64 bit rxtx for Java link: http://fizzed.com/oss/rxtx-for-java 2. Unzip the downloaded package and put…… -
Detailed explanation of generic instances in Java
I. Introduction: In Java se 1 5. Before that, in the absence of generics, the "arbitrary" of parameters was realized b…… -
App backend session information management instance imitating J2EE session mechanism
This article only provides ideas and does not provide specific and complete implementation (bloggers are too lazy to s…… -
Java implementation of scheduled tasks in Web Applications (example explanation)
Scheduled task is the function of specifying a future time range to execute a certain task. In current web application…… -
Detailed explanation of spring boot Linux startup mode
Foreground start Background start Difference: the foreground starts Ctrl + C to close the program, while the backgroun…… -
Java thread deadlock code example
Deadlock is an error at the operating system level. It is the abbreviation of process deadlock. It was first proposed …… -
Problems and solutions of time zone conversion to daylight saving time based on Java
I Preparation knowledge 1.America/New_ The daylight saving time in York is as follows: left not right 2016-3-13,02:00:…… -
Detailed explanation of the front and rear end separation and consolidation scheme of spring boot + Vue
The combination of springboot and Vue mainly includes the following two schemes on the network: 1. [not recommended] t…… -
No such file or directory when exporting excel from poi
Scene reproduction Apache POI Linux Tomcat As shown above, in the Linux + Tomcat environment, when exporting excel usi…… -
Usage based on java files class and paths class (detailed explanation)
Great changes have taken place in file IO in Java 7, and many new classes have been introduced: ...... Wait, to replac…… -
Simple verification code generation java version
We all know the verification code. I don't need to say more about its role. If it is not clear, please refer to the ex…… -
In depth understanding of Java built-in locks (synchronized) and explicit locks (reentrant lock)
Synchronized and reentrantlock In multithreaded programming, we use locks when the code needs to be synchronized. Java…… -
Java & JavaScript custom encrypted data transmission code example
In the process of developing applications, the client and server often need to transmit data. When important privacy i…… -
Use of break, continue and return in the for loop in Java
Introduction: when using a loop, it is often confused when there are break, continue and return in the loop. Today, I …… -
Introduction to JUnit unit testing
@H_ 403_ 2 @ What is unit testing Write a class to be used by others. Will there be a bug? What should I do? Test it. …… -
Rookies learn the singleton pattern of Java design pattern
We are not unfamiliar with the singleton mode, and we all know why it can be divided into lazy type and hungry type. B…… -
Java multithreaded atomic package operation atomic variables and atomic classes
Before reading this article, you can take a look at the introduction and usage of Java multithreaded atomic package to…… -
Principle and flow analysis of three handshakes and four waves in TCP / IP protocol
When I first learned the major of communication, after graduation, the students went their own way to pursue their dre…… -
Detailed explanation of Java JTree jcheckbox tree check box
This example shares Java JTree JCheck@R_958_2419 @The tree check box shows the specific code for your reference. The s…… -
Getting started with Java Web server using servlets
Baidu Encyclopedia says: Servlet (server applet) is the abbreviation of java servlet, which is called small service pr…… -
A summary of the polymorphism of the three features of Java
Three characteristics of object-oriented: encapsulation, inheritance and polymorphism. From a certain point of view, e…… -
Classic application example of Java using dateutils to perform mathematical operations on dates [download related package files of dateutils attached]
This article gives an example of how Java uses dateutils to perform mathematical operations on dates. Share with you f…… -
Hibernate environment construction and demo sharing
ORM concept ORM is object / relationship mapping. ORM is a specification that completes the mapping between object-ori…… -
SSM framework automatically generates code through mybatis generator (recommended)
1、 First, eclipse configures the Maven environment and creates an SSM framework project 2、 In POM Add plugin to XML …… -
Example of chessboard coverage problem based on Java divide and conquer algorithm
This paper describes the chessboard coverage problem implemented by Java based on divide and conquer algorithm. Share …… -
Romance for programmers – Java output dynamic flash iloveyou
The code test is available, and the running results are very hot. There is a sense of loss and non mainstream popular …… -
Two ways to download files in Java
This example shares the specific code for downloading Java implementation files for your reference. The specific conte…… -
Java randomly generated name, mobile phone number, address code example
This article is mainly about Java randomly generating name, mobile phone number and address code. If you ask me what's…… -
Implementation of java web login verification code
This example shares the specific code of java web login verification code for your reference. The specific contents ar…… -
Introduction to Maven’s life cycle and common commands
Introduction and advantages of maven Maven is a tool for project construction and management. It provides methods to h…… -
Implementation method of Java verification code function
1、 Foreword It can be said that the verification code has been very common in our life. Any website and any app will …… -
Quickly understand the ThreadLocal class in Java
Recently, I looked at the code of Android framework layer and saw the ThreadLocal class. It's a little strange. I turn……