Java
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Java development_ org. apache. commons. Lang. stringutils tool class source code
I wrote an article about the difference between "" and null before. Here is the address of the article: Let's take a l…… -
Different usage of comparable interface and comparator interface
Both can be used to define comparison methods and then used in sorting. Comparable is the interface inherited by the c…… -
Can you make such a dazzling MP3 player with Java swing?
This MP3 player is written based on Java swing. I think the interface can still be taken out and reviewed with you. Le…… -
Hibernate reverse engineering principle_ Java version
In a "" article earlier, a friend asked this question: Source address: I have nothing to do these days. I thought abou…… -
Excel to HTML
Project structure: This is a maven project. The main function is in the client class After running the program, the co…… -
File upload principle_ Sorting + summary
File upload is a problem we often encounter. The form has a) attribute, For information about the form, please refer t…… -
Java unit test sequential execution
It's killing me. It turns out @ before will execute many times. Sequential execution can be realized through the funct…… -
Java drawing program_ The picture is drawn with letters_ Source code release_ Version 2
In the previous version: Java drawing program_ The picture is drawn with letters_ Based on the source code release, th…… -
Four XML parsing techniques in Java
In daily work, it is inevitable to use XML as the data storage format. In the face of a wide variety of solutions, whi…… -
Java type information
Thinking in Java 4th chapter 14 type information Run time type identification enables you to find and use type informa…… -
Apache’s open source project – template engine (velocity)_ I started after two days of study_ Source download
First of all, if you don't know much about velocity, I suggest you go to the official Apache website This is the offic…… -
Cannot create PoolableConnectionFactory (Communications link failure)–Connection refused: connect
I encountered such an exception when I was working on a web project today: I know there was an error connecting to the…… -
Java development_ Summary of double precision loss
I saw such a question on the blog: Such a problem is the loss of precision of double in Java (or c#). Here is the solu…… -
Getalldeclaredmethods() method in httpservlet
Looking at apache-tomcat-7.0 When I saw the httpservlet in 40, I saw that the method getalldeclaredmethods () in it wa…… -
FreeMarker_ Template engine_ Automatic code generator_ Source download
First, let's meet FreeMarker You can go to freemaker's official website, where there is a very detailed introduction: …… -
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Is the result of adding char type and int type in Java char type or int type?
At first glance, you may have a question: can these two add up? The answer is to see the effect: Seeing this operation…… -
Original Java shell
If you have been exposed to Windows operating system, you should have a certain understanding of CMD in windows. If yo…… -
There is such a way to remember words_ Java version of irregular verbs_ Recommended by bloggers
Yesterday, when I was reading the irregular verbs in an English book, I had a sudden inspiration: I want to use the pr…… -
KMP algorithm (wool chip algorithm)
Here is the original text of KMP algorithm: According to the original understanding, I modified it to the Java version…… -
Java recursively reads all file names under the file path and saves them as TXT documents
<svg xmlns="http://www.w3.org/2000/svg" style="display: none;"><path <a hr…… -
ArrayList, LinkedList, vector – Dudu: the most detailed in history
ArrayList, LinkedList, vector - Dudu: the most detailed in history Let's compare ArrayList, LinkedList and vector. T…… -
Generating XML files using java
《 XML in the eyes of Java -- File Writing There are four ways to generate an XML file in Java. 1. Generate XML docum…… -
Java access control
Java provides four access rights: Public > protected > package access rights (no keywords) > private Packages…… -
You can also use Java swing to make such a dazzling MP3 player_ Source download
I had published the blog ： and to display some screenshots about this MP3 Player. The target for this blog is that to…… -
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The Skins of the Substance
This blog is about a java jar file : Substance. jar well,you can get it from links as below: The skins of the substanc…… -
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Summary of JS detailed knowledge points 1. Ecmasctipt syntax 1.1 syntax introduction: JS code cannot be written direct…… -
Abnormal operation
< p align = "center" > abnormal operation < p class = "1" > I. fill in the blanks 2、 Multiple choice ques…… -
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UDP details 1、 In TCP / IP protocol stack, what are the connections and differences between TCP protocol and UDP prot……