Recent Posts
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Java – you can add the available parameters of a request (HttpServletRequest)
I want to intercept a request in a filter / servlet and add some parameters However, the request does not expose an er…… -
Java – long floating point output display letters
I have the following code: String curDir = "."; File fileObject = new File(curDir); File[] fileList = fileObject.listF…… -
Java – HTTP status 500 – provider org. Not found glassfish. json. JsonProviderImpl
I use netbeans-8, JDK 7, Tomcat 8.05 I created a webapp in NetBeans and put javax The JSON API was added to my project…… -
Java: convert InetAddress to string
I searched a lot, but I couldn't find any way to convert InetAddress type to string (maybe my search was not very good…… -
Java – HSQLDB sqlexception: establish database connection in memory
We have a desktop application with a local HSQLDB database Some customers report that their applications stop working …… -
Java – JUnit tests JNDI initialcontext outside the application server
Context context = new InitialContext(); Context context = new InitialContext(); dataSource = (DataSource) context.look…… -
Java – how to compile Maven projects efficiently and quickly
I have a maven project with 13 sub modules I have two questions about how to optimize the build process: >I want to…… -
Java EE – MVN Tomcat: run – change the default Maven Tomcat port
Try following my spring roo tutorial steps: $mkdir sample $cd sample $roo roo> script --file filename.roo roo> q…… -
Java – hibernate update JPA foreign key
New flag new flag new flag new flag new flag new flag new flag new flag new flag new flag new flag new flag new flag n…… -
Why package info Java useful?
When I run checkstyle on my java project, it loses package info Java file For some courses, but not all I don't know w…… -
Java – use gradle to upload the source to the nexus repository
I successfully uploaded my jars to a nexus repository, which uses the Maven plug-in for gradients, but did not upload …… -
Java – is it really unique to use the unique ID generation of UUID?
I want to generate unique IDs, just like automatic increment in Java So I used the current nanosecond before, but I fi…… -
Java – how do I accept self signed certificates for JNDI / LDAP connections?
I need to connect to LDAP directory through SSL In a non production environment, we use self signed certificates, whic…… -
Use java to delete XML declarations from the generated XML document
String root = "RdbTunnels"; String root = "RdbTunnels"; DocumentBuilderFactory documentBuilderFactory = DocumentBuilde…… -
Managed Javadoc?
I have an open source project, hosted in bitbucket Bitbucket does not provide hosting a large number of small files (i…… -
Java – Custom encrypted GSM call
Can you capture voice audio streams using Java (JME or Android), customize encryption, and then send them as regular s…… -
How much memory does Java – hashtable use?
In Java, if I create a hashtable < K, V > and put n elements in it, how much memory does it take? If it depends …… -
Java – run spring batch job programmatically?
I have a spring batch application. I start with commandlinejobrunner But now I have to embed this application into our…… -
Java – how to programmatically enable POJO mapping in Jersey using grizzly2?
According to the instructions here, I have this Code: private static URI getBaseURI() { return UriBuilder.fromUri(…… -
Java – convert ifile to file
I have an ifile object that needs to be used as a Java io. File object I am using the following code for conversion fi…… -
Java – how to add selendroid to the web crawl of Android studio?
I'm trying to use selenium to set up dynamic web scraping, but I can't seem to find the necessary graduation dependenc…… -
Java comparison array
I have two arrays of unknown types... One way to check elements is the same: public static boolean equals(Object a,Obj…… -
How do I configure a mail server for use with JavaMail?
I'm trying to use the following code: import javax.servlet.*; import javax.servlet.http.*; import java.io.*; import ja…… -
Rfc4226 hotp Java implementation
I tried to copy hotalgorithm Java code (hotalgorithm. Java) and compare it with the official hotp RFC 4226 example imp…… -
Java – how to convert a stringreader to a string?
I'm trying to convert my stringreader back to a regular string, as shown in the figure: String string = reader.toStrin…… -
Java – use ant to build a project that contains actionbar Sherlock as a library project
My Apache ant project uses actionbar Sherlock as the project library to build a problem I have successfully used "Andr…… -
Does Common Lisp have a Java like set interface / implementation class?
I need an element like this, which doesn't contain duplicate elements of any element Is there such a thing in Common L…… -
Read txt files from specific packages
I'm trying to read a text file in a specific package, but it can't be found I can read it and insert an absolute path,…… -
Java – how to resolve the invisible ‘implicit super constructor classa() Must explicitly call another constructor?
I have a class "classA", which has a private constructor public final class ClassA{ private ClassA{ } public st…… -
Java – set the attribute ‘antijarlocking’ to ‘true’ and no matching attribute was found
My context XML file: <?xml version="1.0" encoding="UTF-8"?> <Context antiJARLocking="true" path="/candy"/>…… -
Capture the content of standard output in Java
I'm calling a function that prints some strings in my console / standard output I need to capture this string I cannot…… -
Java – Method of using Google Eclipse Plug-in in Google cloud endpoints
I encountered a strange behavior when using the Google App Engine Eclipse Plug-in to generate endpoints I have an endp……