Java
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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 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 data types retain only dates
Which data type in Java can only save dates without time components? For example, just to store 12 / 07 / 2012 I'm per…… -
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…… -
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 hibernate HQL query and nolock
Is there any way to run these queries, just like I added (nolock) prompt to them? Solution If you really need this, yo…… -
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…… -
Java – JUnit tests JNDI initialcontext outside the application server
Context context = new InitialContext(); Context context = new InitialContext(); dataSource = (DataSource) context.look…… -
java – org. hibernate. hql. ast. Querysyntaxexception: table name is not mapped
I have two models, item and shopsection They have a many - to - many relationship @Entity(name = "item") public class …… -
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 – 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 – how to deserialize an object’s database when an object has different serialversionuids
My client has an Oracle database and an object through objutstream Writeobject is persisted as a BLOB field. The objec…… -
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: 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…… -
Is there a Java library that generates class files from ast?
This page describes how to generate code using the code generator in javac, because I can build an ast (using a separa…… -
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 – 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 – 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 – long floating point output display letters
I have the following code: String curDir = "."; File fileObject = new File(curDir); File[] fileList = fileObject.listF…… -
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 – 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 – Custom encrypted GSM call
Can you capture voice audio streams using Java (JME or Android), customize encryption, and then send them as regular s…… -
Spring data paging JPA (limit and offset)
I want the user to specify the limit (returned size) and offset (the first record / index returned) in the query metho…… -
Java – where is the calling event scheduling thread?
I read that all code for constructing swing components and handling events must be run by event dispatch thread I know…… -
Java – which API can I use to format ints as 2 digits?
What API can I use to format ints as 2-digit numbers? For example, in this loop for (int i = 0; i < 100; i++) { …… -
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 – how to handle properties in interceptor bindings
I have a note: @Inherited @InterceptorBinding @Retention(RUNTIME) @Target({METHOD,TYPE}) public @interface Example { }…… -
Normalize java bean property names
I have a bunch of third-party Java classes that use different attribute names to implement the same attributes: public…… -
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"/>…… -
Using build Java replaces build XML, using Java and ant libraries as building systems
I've been disappointed with groovy based ant alternatives Ant builder doesn't work in eclipse, eclipse's groovy plug-i…… -
How are Java applications deployed in the “real world”?
As a novice in the Java programming world, this problem always bothers me I first thought that all java files were com…… -
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……