Recent Posts
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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…… -
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…… -
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Java type information
Thinking in Java 4th chapter 14 type information Run time type identification enables you to find and use type informa…… -
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…… -
Java multithreading series_ Thread life cycle (4)
Like people, threads also experience four different states: start (wait), run, suspend and stop. These four states can…… -
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Java development_ Conversion of numbers to capitalization of RMB in Chinese_ Full version
This application comes from a sudden idea: see that the number on the invoice should be converted into the capital of …… -
Java interview questions_ Good things to share with you
There are many online yes, you can look at the interview Manual of IT company. Java interview questions spring inter…… -
Java development_ Generate / parse your own QR code QR code
When I saw a tool for generating QR code, I came up with an idea: Why not make a QR code generation and analysis tool?…… -
PBE_ Password based encryption_ You can also have
In a blog called: PBE - password based encryption is mentioned in. I also tested it. Now I'll show you the effect of m…… -
Introduction to algorithm – binary search algorithm
Algorithm premise: The algorithm idea is: 1. Compare the middle value in the array with the searched value each time 2…… -
Java POI technology to read Excel data to MySQL
This blog is to introduce the POI technology in Java, read Excel data, and then save it to MySQL data. You can also le…… -
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Java API operation of Hadoop 2-hbase
HBase provides rich Java APIs and thread pool operations. Let me use thread pool to show how to use Java API to operat…… -
The applications we developed in those years
The applications to be discussed here are mainly developed and implemented by Java, Python and other languages in Wind…… -
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…… -
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: …… -
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…… -
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…… -
@Source code analysis of controller and @ restcontroller
2018 has come to an end unknowingly. Are you still worried about being unable to distinguish @ controller and @ restco…… -
The difference between get and post methods
In the process of submitting data from the form, the method attribute provides two values: get and post. The default i…… -
Lucene (full text search)_ Indexing_ Full text search by keyword_ Source download
： ： Add these two jar packages to the project build path Look at the project structure -
Java development_ The difference between ” and null
I have a problem at work today: In the code: The following is the difference between null and '' in Java: -
Java multithreading series_ Thread Introduction (1)
1、 Thread overview Thread is the basic execution unit of a program. When the operating system (excluding the single t…… -
Java uses POI to import data from database into Excel
< div class = "posttitle" > java uses POI to import data from database into Excel -
L1 cache in Hibernate
HibernateTest. java code: Operation effect: As we will see, only one select statement is used here. But we read two re…… -
Urlrewriter in Java (URL rewriting)_ Source download
Recently, I used URL rewriting in a project. How to enhance the readability of the address in your website and let the…… -
My Notepad
I have spent near more two weeks to write this Notepad application. At this moment,I want to share with you. I wonder …… -
Programmers, let’s write the front-end code
You can think of me as an extreme person, just as many people focus on their own fields and disdain other "superficial…… -
Tobinarystring() method of integer in Java
During an interview, I encountered such a question. The general meaning of the question is: let me write out the tobin……