Java
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Example explanation of Lucene’s implementation of index and query
0 Introduction With the development of the world wide web and the advent of the era of big data, a large amount of dig…… -
Java IO stream reads pictures for foreground display code sharing
Recently, the project needs to use the IO stream to read pictures to provide foreground page display. In the past, the…… -
Code analysis of XOR in Java
There is an XOR operator in the bit operators of Java, which is represented by the symbol (^). Its operation rule is: …… -
Java basics essay
1. Basic concepts IO is the process of copying data from main memory and external devices (hard disk, terminal, networ…… -
Analysis of the reason why JavaWeb dbutils cannot find the content when executing SQL commands and traversing the result set
The reason why JavaWeb dbutils cannot find the content when executing SQL command and traversing the result set and th…… -
Java recursive algorithm traversal department code example
Recursion is a very useful knowledge point. Write some examples to help you remember There is process code in the midd…… -
Spring security custom authentication login process record
Spring security usage categories: I believe Baidu knows how to use spring security. There are four kinds of usage, fro…… -
Javacv uses ffmpeg to play audio and video synchronously
Recently, the ffmpegframegrabber frame catcher of the ffmpeg package of javacv played the captured audio frames and vi…… -
Example explanation of string boot and custom interceptor
I've learned about filters before, but the filters are for servlets. They are used in spring MVC and spring boot. In t…… -
On the urgent loading problem of Hibernate (multiple foreign key Association)
The database structure is as follows Foreign key member in strategy_ ID (associated member table) foreign key strategy…… -
Form drag and stretch based on swing
This paper shares the specific code of swing to realize form drag and stretch for your reference. The specific content…… -
MyEclipse + Tomcat + Maven + SVN project complete environment construction (Graphic tutorial)
This time, I changed a computer, so I need to reconfigure the project development environment. All kinds of in the pro…… -
Learning Java Memory Model JMM experience
Sometimes, the optimization of compiler and processor will cause the runtime to be different from what we think. There…… -
Java programming implementation of hexadecimal string XOR operation code example
I haven't written a blog for a long time. I feel so busy in the last year. I can't finish all kinds of work. I believe…… -
Application notes of java reflection in practical work
Recently, I encountered such a problem in my work: Make a test tool for all interfaces in a project, using Java Swing …… -
Java uses Apache toolset to realize FTP file transfer code explanation
This article mainly introduces how to upload and download files to the FTP server using the FTP tool provided by Apach…… -
200 lines of Java code to write a calculator program
I found a calculator applet written in college and a graphical interface that can graphically display the expression s…… -
Detailed explanation of the difference between hibernate urgent connection and ordinary connection
The difference between hibernate connection and ordinary connection The relevant introduction and explanation have bee…… -
Java background folder file traversal complete code
1、 There are two ways to traverse all files in a folder in Java: 1. Recursive traversal is usually the first method t…… -
Xiaobai tutorial! JDK installation and configuration method on Linux server
This example shares the JDK installation and configuration method on Linux for your reference. The specific contents a…… -
Tutorial for installing JS code tips for MyEclipse (socket plug-in)
Recently, a lot of JS needs to be used for development, but the JS editor provided by MyEclipse 2014 has no function o…… -
Java programming file traversal of the specified number of layers of traversal, detailed code
Traversal is to access each element once For example, in a binary tree, traversing the binary tree means that each ele…… -
Java IO stream splits a file into multiple sub files code example
File splitting and merging is a common requirement. For example, when uploading a large file, you can first split it i…… -
Java calling DLL method summary
JNI and jnative are commonly used. Note: when Java calls DLL, corresponding processing must be done in DLL. Columns su…… -
Java determines whether the instance entered by the user contains at least N decimal places
Judge whether the entered by the user contains at least N decimal places. 1. Throw an exception and return false when …… -
Maven based SSM framework integration example code
Basic concepts 1.1、Spring Spring is an open source framework. Spring is a lightweight java development framework risi…… -
Four ways to solve hibernate lazy loading
This paper summarizes four ways to solve the problem of Hibernate lazy loading in the process of learning hibernate. T…… -
Introduction and example summary of Java programming reflection mechanism
This article illustrates the usage of Java programming reflection mechanism. Share with you for your reference, as fol…… -
Introduction to struts 2 (build environment, configuration and examples)
Learn the introduction course of struts 2 on the website, and download the latest struts-2.5 on the official website 5…… -
Java chaos game noise game example code
[introduction] Recently, I have been reading abstruse simplicity, in which a chapter introduces several methods of gen…… -
Java programming Yang Hui triangle two output results example code
First, show the following results: Introduction: Yang Hui triangle is a geometric arrangement of binomial coefficients…… -
Modify the fully qualified name resolution of the class during JDK deserialization
Application scenario Spring security oauth2 has a wonderful design, that is, it will work with access_ All the attribu……