Recent Posts
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How does the Java webstart application get the MAC address to access my web page
I am writing a Java webstart application to deploy from the website so that users can click and run my software I need…… -
Java – why does my application run faster than the command line in IntelliJ?
We have an application that imports a large number of files by splitting data and sorting it When running JUnit test c…… -
Java – why do some classes not need the word “new” when creating instances?
I'm new to Java One thing that puzzles me is why some classes need new to instantiate, and why others don't need new t…… -
Java – how to change jooptionpane Default text for buttons in showinputdialog
I want to be in joptionpane Set the text of OK and Cancel buttons in showinputdialog There is a way to change joptionp…… -
Best practice: capture Java net. Failure point in URL
New features of JVM using Scala and play 2.0 I convert the legacy application to play through authorize Net for paymen…… -
Java – email client library [closed]
I'm looking for a library that encapsulates the JavaMail API on the receiving end in the same way that common email ha…… -
Java – use JetBrains ides to find text in the decompiled jar file
I like JetBrains IntelliJ (if you like). My project is built with gradle of my company namespace and some external Jav…… -
Languages supported by Java scriptengine
Java has a scriptengine system that allows you to run / evaluate statements in different languages Solution ECMAScript…… -
Java – how to programmatically register JSF managed beans?
I want to programmatically register / add the managed bean class to the application scope (from servlet init()) Soluti…… -
What’s the difference between Java – jolokia & jmxtrans? When to choose one?
I am looking for a JMX query tool I met jolokia & jmxtrans, both of which support JSON - based queries Jmxtrans ha…… -
The best way to do raw socket programming involving Java
I have some existing C code. I use ICMP raw socket for Ping. I need to use this code in Java because Java does not sup…… -
java – PostgreSQL：BYTEA vs OID Large Object？
I started using hibernate 3.2 and PostgreSQL 8.4 applications I have some byte [] fields mapped to @ basic (= PG bytea…… -
Java HTTP client uploads files through post
I am developing a J2ME client that must upload files to the servlet using HTTP Use Apache Commons fileUpload to overri…… -
Java – completable future has been completed with exceptions
CompletableFuture. Completedfuture() returns the completedfuture that has been completed with the given value How do w…… -
JavaFX – tab order in scenebuilder
How do I set the tab order (focus order) for elements, such as text fields in scenebuilder? Solution Answer: in sb on …… -
How to set date and time formats in Java that respect the user’s operating system settings
I run my java application on a Windows 7 machine, and my locale is set to format the date as yyyy MM DD and the time a…… -
Java 7 cannot collect persistent code collected by Java 5
Does anyone know why Java 7 can't collect permanent generation applications, resulting in Java Lang. outofmemoryerror:…… -
Java – client – server network getting started
I am a good programmer, but I have no Internet experience Basically, I want to enter the client server network For exa…… -
Java – regular expression with = and a
I try to use regular expressions to find all substrings that start with an equal sign (=) and start with a semicolon (…… -
Java ignores certificate validation
I'm trying to create some sample Java projects that connect to a self - signed HTTPS server I can't seem to stop Java …… -
Java – birt in desktop applications
Someone used birt report in desktop application I come from. Net environment, you can use crystal reports to display r…… -
Java – what is the best practice for using “this” in classes in OOP?
What I've been thinking about is the preferred course in which you can use 'this [name]' or a simple [name] reference …… -
String to binary output in Java
I want to get binary (011001..) from a string, But I get [b @ addbf1, there must be a simple conversion, but I can't s…… -
Java – embedded terminal and normal shutdown
I've dug into the jetty documentation and tried to figure out how to properly configure the embedded jetty to close gr…… -
In computing Java util. Description of constants used when hashcode value of hash
Someone can explain the meaning of these constants, why choose them? static int hash(int h) { // This function…… -
Use Java (JSON) to read the values of nested keys in JSON
I am a new Java programmer with Python background I have weather data being collected / returned in JSON, which contai…… -
Java: simple soap client
I am looking for a soap client for Java Apache axis looks blo swollen to me I don't understand why Java has to be so c…… -
Java – how do I add EJB functionality to an eclipse dynamic web project?
I am using EJB 3.0 to develop a simple application, using openejb for deployment and eclipse as ide development I crea…… -
Haskell style memory in Java
I know it's heresy, but I'm trying to take this example from http://www.haskell.org/haskellwiki/Memoization Translate …… -
java – Arrays. Does copyof generate a shallow or deep copy?
About arrays There seems to be a lot of confusion and different opinions on whether copyof will produce deep and shall…… -
Java project and Maven project (eclipse) need structure description
When I create a new Maven project in eclipse, the directory structure contains Src / main / Java and Src / main (below…… -
Java – how to protect jar files from decompilation?
There is already an answer to this question: > what can do to secure jar files beside obfuscation? 3 Solution Becau……