包含标签：Java 的文章
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On hashcode method in Java (recommended)
The data structure of hash table must be familiar to most people, and hash table will be used in many places to improv…… -
Examples of two methods to split strings in Java
preface I believe everyone should know that in Java programming, sometimes we need to divide a string according to a s…… -
Detailed tutorial on mybatis
Jar package required by mybatis: You need to reference two jar packages, one is mybatis and the other is MySQL connect…… -
Two ways of traversing map in Java
Without much to say, go straight to the topic and look down with Xiaobian: 1. First convert the map object to set, and…… -
Detailed explanation of socket chat program based on Java — initial design (with demo)
Write before: Maybe it's near the end of the term, and various course designs come one after another. Recently, I saw …… -
Examples of Java annotations
Use of Java annotations @ h_ 403_ 3@ The use of annotation is very simple. You only need to mark an annotation where a…… -
Use of output stream outputstring() of Java IO stream
Fileoutputstream: subclass, write out the channel of data Steps: 1. Get target file 2. Create a channe…… -
An example of how Java uses GDAL to read and write shapefiles
Introduction to GDAL GDAL (geospatial data abstraction Library) is an open source raster spatial data conversion libra…… -
Java uses a custom class as the key value instance of HashMap
This is a classic question in Java and is often asked in interviews. In fact, many books or articles have mentioned th…… -
Detailed explanation of built-in functional interface of new features of Java 8
Java 8 new features built-in functional interface In a previous blog post lambda expression, we mentioned the function…… -
Detailed introduction to the four domain objects of JavaWeb
Java Web four domain objects 1) Attribute related methods 2) Domain object with the above attribute method The scope o…… -
Java adds a simple example of content at the end of the file
As follows: The above simple example of adding content to the end of java file is all the content shared by Xiaobian. …… -
Java Web image upload and file upload examples
Image upload is essentially the same as file upload, and the image itself is also a file. File upload is to upload pic…… -
Detailed explanation of author web page authorization of wechat development
In the development of wechat, there are often such needs: obtaining user avatars, binding wechat signals and sending i…… -
Understand the use of executorservice in Java multithreading
java. util. The concurrent package provides classes for multithreading operations. Executorservice and its implementat…… -
Spring mail sends mail via QQ mailbox server
Spring mail encapsulates the mail service of JavaMail, which makes the mail service easier to use. Next, take QQ mailb…… -
Java implementation of FTP file upload and download function example code
FTP is the English abbreviation of file transfer protocol, and the Chinese abbreviation is "Text Transfer Protocol". I…… -
Explain the socket chat program based on Java – server (with demo)
Write before: Yesterday, I recorded the initial design of a socket chat program I took the time to write on my blog, w…… -
Book module of Java Web Book Mall Design (4)
This paper then studies the classification module of the previous book Mall for your reference. The specific contents …… -
On the similarities and differences between Java interface and C + + virtual class
C + + virtual classes are equivalent to abstract classes in Java. The differences between C + + virtual classes and in…… -
Detailed explanation of Java Web image upload and file upload examples
Java Web image upload and file upload Image upload is essentially the same as file upload, and the image itself is als…… -
Method summary of circular deletion of elements in list in Java
In my impression, there is a problem with the way to use the for loop to delete the elements in the list, but you can …… -
JavaMail tutorial creating mail (2)
The JavaMail API uses javax mail. Message class represents a message. Message class is an abstract class, so we need t…… -
Detailed explanation of the use of queue interface in Java
The queue interface is at the same level as list and set, and both inherit the collection interface. LinkedList implem…… -
Example of file upload and download of struts 2 in Java
File upload 1. How many small problems to deal with? 1. The file name is duplicate. Generally, a UUID can be generated…… -
Deeply understand the difference between I + + and + + I in Java
Today, let's talk about a misunderstanding about Java. I believe many friends who have just started learning java will…… -
Detailed introduction and implementation of Jenkins shutdown and restart
Jenkins shutdown and restart We use Jar - jar Jenkins War to start the Jenkins server, so how do we shut down or resta…… -
Java encryption algorithm — MD5 encryption and hash encryption algorithm with secret key source code
Java encryption algorithm -- MD5 encryption and hash encryption algorithm with secret key source code Recently, I lear…… -
Java XML error javax xml. transform. TransformerException: java. lang.NullPointerException
Java XML error javax xml. transform. TransformerException: java. Lang.nullpointerexception solution: Use java to opera…… -
The commonplace use of cookies in Java
1 what is a cookie The browser communicates with the web server using HTTP protocol. When a user sends a page request,…… -
Detailed explanation and difference between Java comparable and comparator
Detailed explanation and difference between Java comparable and comparator Java provides us with two comparison mechan…… -
Simple demo of timer and TimerTask in Java (shared)
Code: test class TimerTask task class The above simple demo of timer and TimerTask in Java is all that Xiaobian has sh……