包含标签：Java 的文章
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JAVA memory structure and data type
JAVA memory structure Memory is a temporary storage of data. Its storage speed is very fast, but it is temporary stora…… -
Detailed explanation of the difference between Java array and ArrayList
The difference between Java array and ArrayList 1) Incisive exposition: You can think of ArrayList as an "array that a…… -
Redis of Java (spring data redis integration)
1. Integrate with spring data redis POM used in the project xml： Except for the log part, there is only one spring co…… -
Instance resolves the Java date format tool class dateutil java
If you don't have much to say, please see the code: DateUtil. java Test use DateUtilTester. java The above is the whol…… -
Wechat public account development – example of creating custom menu and menu event response
The user-defined menu of wechat development public platform needs to spend money for authentication. If you don't want…… -
Play with spring boot MVC application (2)
How to quickly build an MCV program? Refer to the official example of spring: https://spring.io/guides/gs/serving-web-…… -
A case study of using spring AOP to realize read-write separation of MySQL database (with demo)
1、 Foreword The read-write separation strategy of database in distributed environment is a key solution to solve the …… -
Analysis of Java method for counting the number of string words
In some projects, it may be necessary to count the words in a string. I wrote a simple demo here, which can be taken b…… -
Summarize ten practical but paranoid Java programming techniques
preface When you immerse yourself in coding for a period of time (for example, I have invested nearly 20 years in prog…… -
Comparison between Java abstract class and interface
Comparison between Java abstract class and interface preface Abstract class and interface are both used by java to des…… -
Explain the implementation of Java websocket and spring websocket in detail
Start learning websocket, and prepare to use it to realize a log that outputs log4j in real time on the page and the l…… -
Spring integrates TimerTask to realize scheduled task scheduling
I preface Recently, timed tasks have been used in the company's projects. This blog will summarize the timed tasks of …… -
Method of dynamically adding view in Java
In general, most of us write the layout directly in XML files, but sometimes we need to add the layout dynamically wit…… -
After the Java date is installed as an English string, the solution to date cannot be switched back
This is a problem encountered by colleagues. The date in the code is placed on the page in the format of "fri Mar 21 0…… -
Detailed explanation of spring MVC interceptor to realize session control
If you are not logged in, you are not allowed to access the page in the background folder. How do you determine whethe…… -
Java paging tool class and its use (sample sharing)
Pager. java Use pagertester java The above is the whole content of this article. I hope the content of this article ca…… -
The example explains in detail the conversion between java image and Base64 string
There's no more nonsense. I'll directly post the conversion code between java image and base84 string. The specific co…… -
Rules for Java data types
Rules for data types Select the appropriate data type to store. For example, it is used to store the age. Its value ca…… -
Detailed introduction and simple example of Java base64encoder
Detailed explanation of Java base64encoder Base64 is one of the most common encoding methods for transmitting 8bit byt…… -
Method of mutual conversion between Java object and JSON object
The jar package required in the project is not easy to find on the Internet, so I put it in my network disk and downlo…… -
Quick sorting example of Java sorting algorithm
This paper describes the implementation method of Java quick sorting. Share with you for your reference, as follows: I…… -
Analysis on the method of operating bytecode in Java bytecode framework ASM
We have introduced ASM in detail before. If you need it, you can click here: in depth study of Java bytecode framework…… -
Common code block, construction code block, static code block, differences and code examples in Java
Common code block, construction code block, static code block, differences and code examples in Java //Execution order…… -
Summary of java file reading methods
This example shares the method of reading files in Java for your reference. The specific contents are as follows 1. Re…… -
Explain in detail the Chinese garbled code problem of JSON data returned by spring mvc3 and solve it
After checking some information on the Internet, I feel more complicated. Here, I use two very simple methods to solve…… -
Explain in detail how to use redis setnx command to realize distributed lock
Distributed locks can be implemented by using the setnx command of redis. The implementation method is described below…… -
Instance method of java image clipping and thumbnail generation
1、 Thumbnail When browsing the album, you may need to generate corresponding thumbnails. Direct code: Directly run th…… -
JDBC addition, deletion, modification, query and unique complete code analysis
Part I code (entity class) Part II BaseDao (addition, deletion, modification, query and unique query) Part III hehedao…… -
Java class loading and custom class loader
Class loading All class loaders are subclasses of classloader. Class loaders always start with Class runs in the direc…… -
Perfectly solve the problem of lazy thread safety in singleton design mode
First, write a single example: Write a test class: The running result is always true, indicating that there is no prob…… -
Detailed explanation of source command under Linux
Analysis of execution mode of Linux source command and script When I modify the / etc / profile file, I want it to tak…… -
Java uses POI to obtain the number of columns and rows in Excel
preface Report output is often involved in Java application development, while general reports often lack universality……