包含标签：Java 的文章
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Java GUI customizing JPanel Sketchpad background
Customize JPanel panel background 1、 Foreword 1. The full name of GUI is graphical user interface, that is, graphical…… -
Analysis on the causes of exceptions caused by improper use of mybatis foreach tag
Exception generation scenario and exception information Last week, due to the use of in the mapper interface method of…… -
Actual combat of arrays tool class in Java
java. util. The arrays class can easily manipulate arrays, and all the methods it provides are static. Static methods …… -
Three ways for Java to traverse collections
For traversing a collection to get its objects, three simple ways are summarized here Method 1: change the collection …… -
URL Rewrite URL explanation and example
UrlRewrite rewrite URL details UrlRewrite is what we usually call address rewriting. All users get are processed URL a…… -
A pagination plug-in that explains mybatis extremely simple (good) single (use)
Note: this blog is completely different from the current paging plug-in, so it is recommended that you check the lates…… -
Java zxing generates QR code and bar code instance sharing
1. Jar package: zxing-core-3.3 0.jar http://mvnrepository.com/artifact/com.google.zxing/core ZXing-jav…… -
What is java annotation and its principle are introduced in detail
Principles of Java annotations Java: annotation usage, https://www.oudahe.com/p/23180/ What is annotation Annotations …… -
Using java to realize serial communication
1. Introduction The serial communication program implemented in Java supports the sending and receiving of hexadecimal…… -
Java circular traversal method for deleting elements in list and set sets (recommended)
Today, when I was working on a project, I needed to delete some elements in the list and set. At that time, I used the…… -
Correctly traverse the method of deleting elements in the list (recommended)
There are many ways to traverse and delete the elements in the list, which will cause problems when used improperly. L…… -
Java implementation method of Bloom filter
The principle of Bloom filter is very simple: hash a string into an integer key, and then select a long bit sequence, …… -
Java online book Mall (7) order module 2
This example shares the specific code of the order module of java online book Mall for your reference. The specific co…… -
Using java to generate letter verification code
This example shares the specific code of generating letter verification code in Java for your reference. The specific …… -
Detailed explanation of Java integrated Alipay payment interface (JSP+ Alipay 20160912)
Make complaints about: Alipay's interface and WeChat's DEMO and documents are really hard to understand and out of ord…… -
Java online book Mall (3) book module
This example shares the book module code of java online book Mall for your reference. The specific contents are as fol…… -
Java method for deleting all contents under the specified folder (including this folder)
As follows: The above Java method to delete all the contents under the specified folder (including this folder) is all…… -
Use calendar in Java to calculate the number of days and weeks between two dates
preface What exactly is a calendar? The Chinese translation is the calendar, then we can immediately think that there …… -
Detailed explanation of Java executorservice usage
The following example mainly discusses two problems: problem 1 The thread pool has a fixed size, which is assumed to b…… -
Jdk1. 8 detailed introduction to the implementation principle of HashMap
HashMap overview HashMap is an asynchronous implementation of map interface based on hash table. This implementation p…… -
Java Swing implementation tab function (jtabbedpane) example code
Swing implements tab function (jtabbedpane) First create a jtabbedpane object. The constructor can use jtabbedpane (in…… -
Detailed explanation of wechat payment H5 call payment (Java version)
Recently, WeChat paid for the project, and then paid the WeChat official account. Though it is not difficult, details …… -
Server push chat room instance based on tomcat7, Java and websocket
preface HTML5 websocket realizes the two-way communication between the server and the browser. The two-way communicati…… -
Java online book Mall (8) order module 3
Continue with the previous article. 3. Query order details OrderServlet desc.jsp 4. Cancel order and confirm receipt T…… -
Java implements a simple red envelope grabbing algorithm (simulating real red envelope grabbing)
I have nothing to do. Recently, the project needs to write the user login home page to send a cash red envelope. There…… -
Java realizes sending SMS verification code using a third-party platform
A small project I did some time ago involves the problem of logging in and registering with SMS verification code. I h…… -
The RSA public-private key generated by Java OpenSSL for data encryption and decryption is introduced in detail
The RSA public-private key generated by OpenSSL is used for data encryption and decryption in Java What is RSA: RSA pu…… -
Java online mall project part 1 user registration module
This article explains the user registration module of the mall project for your reference. Let's take a look at the re…… -
Explain the pattern class and matcher class in Java regular expressions in detail
preface This article will introduce the pattern class and matcher class in Java regular expressions. First, we need to…… -
Java timer and timer instance code used in thread pool
Java timer timer Simple example code: Timer in thread pool Thank you for reading, hope to help you, thank you for your…… -
Explain the socket chat program based on Java – client (with demo)
Write before: Last weekend, I took some time to record the initial design of a simple socket chat program I wrote and …… -
Explain the pattern class and matcher class in Java regular expressions in detail
preface This article will introduce the pattern class and matcher class in Java regular expressions. First, we need to……