Java
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Java – what are the different ways to handle errors in the FreeMarker template?
How to suppress FreeMarker template errors? class MyTemplateExceptionHandler implements TemplateExceptionHandler { …… -
Method of verifying sqlmapper configuration file of mybatis using XSD (2)
In the last article, I introduced the method of using XSD to verify the sqlmapper configuration file of mybatis (1). F…… -
Java – no authenticationprovider found usernamepasswordauthenticationtoken
My web XML configuration is <filter> <filter-name>springSecurityFilterChain</filter-name> …… -
How to disable log4j logging from Java code
I use log4j to write to the old version Library of logs My default log4j The properties file points logs to the consol…… -
Common problems and solutions of connecting JDBC to Oracle Database
Note: This article is compiled from the questions and various answers of the majority of webfriends extracted from the…… -
An example shows how to compress and decompress 7z files using Java
Compressed into 7z files. Firstly, there is little compressed content of 7z on the network. In particular, fewer Java …… -
Java – jsch: how to keep a conversation active
I am using SSH to write a Java GUI program for static route management My code is as follows: import com.jcraft.jsch.*…… -
Detailed explanation of spring boot and mybatis integration optimization
Springboot official documentation http://docs.spring.io/spring-boot/docs/current/reference/htmlsingle/ -
How to maintain Java webapps in different segmentation environments?
You may have a set of properties that are used on the developer machine, from developer to developer, another set for …… -
Java – what do I mean when I say prepared statements are precompiled?
I use MySQL in Java I don't have a good understanding of Preparedstatement What does compilation mean? Solution When y…… -
Java – difference between S = s and S = s
I did a little test to manipulate a short film, and I encountered a compilation problem short s = 1; s += s; And this …… -
What is the project directory structure for stand-alone Java se applications?
What is the standard project directory structure for stand-alone Java se (command line based) applications? The SRC fo…… -
Java – what’s wrong with this simple “double” calculation?
See English answers > how to resolve a Java routing double issue13 I know that some decimal numbers cannot be repre…… -
If the test case throws an exception, will teardown be called? (JUnit)
I understand that it is called after each test method, but someone can clearly tell me whether the test method is call…… -
Java – how to build eclipse plug-ins outside eclipse?
I have a series of eclipse projects, including many plug-ins and functions, which are checked into CVs I now need to r…… -
java – System. What input class does in belong to and why?
code import java.io.*; class ioTest1{ public static void main(String args[]){ System.out.println(system.in.g…… -
Java – add / remove items to the array in Amazon dynamodb
I'm looking for the most efficient atomic method to add an item to an array in a dynamodb object Now, I see that the o…… -
File based merge sorting of large data sets based on Java
Given a large dataset that is not suitable for memory, are there any libraries or APIs that perform sorting in Java? S…… -
Java – int cannot dereference
I started in Java (I was learning microedition), and I got this error: "int cannot dereference" in the following class…… -
A good source of news about Java trends
Some people can recommend several good websites / blogs / RSS / podcast. Those who are interested in Java can keep abr…… -
Two implementation methods of Java Dynamic agent are explained in detail
The dynamic proxy of Java is described in the API connecting to Java, which is not written here. I understand the agen…… -
In Linux 7 Install JDK + Tomcat + Oracle9i on 1
This paper draws lessons from http://www.puschitz.com/ Article: installing Oracle 9i on RedHat Linux 7.1, 7.2, 7.3, 8.…… -
Java – eclipse does not refresh project files in the package Explorer view
Today, I saw eclipse 3.5 for the first time in three months Strange behavior of First, when I run a main function, it …… -
Java – core J2EE Patterns and practices are still read related?
I have been using java for some time (about 12-18 months) and want to know whether the core J2EE book is still relevan…… -
Zoom JavaFX: scrollevent scrolls when the content size exceeds the scrollpane viewport
I have an application that needs to enlarge scrollpane, but I still face two challenges In order to copy the problem, …… -
Java read word excel PPT file code
POI: http://jakarta.apache.org/poi/index.html PDF@R_681_2419 @: http://www.pdfbox.org/ -
Standard for programming “beautiful” code in Java?
I'm reading some books about coding standards in Java But there are some things that bother me For example, a method n…… -
Java – how to wrap a sublist in JAXB
When trying to map customers, > order 1: n relationship with JAXB 2.2 6 I want to get The current results are: <…… -
Java – mockito, strange behavior of @ injectmocks final field
What I saw was a mistake@ Injectmocks does not seem to create a new test topic before each test method@ Mock's place I…… -
Java – why do files uploaded to S3 have content type application / octet stream unless I name the file html
Even if I set the content type to text / HTML, it ends up as an application / octet stream on S3 ByteArrayInputStream …… -
Java 8 streaming to file
There is already an answer to this question: > modify file using files lines1 For reading, there is a good file Lin…… -
Implementation of HTTP file queue Download with Java
Preface many users may encounter such a situation: they find a good resource on the website, but the resource is divid……