包含标签：Java 的文章
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How to determine whether a Java class implements a specific interface
I'm trying to use reflection to determine whether the incoming class implements the iswdidget interface: public boolea…… -
Java – how to create a specific date in HSQLDB?
I need to create a high date in HSQLDB. The solution does not include me I need something similar Date(9999-12-31 0:0:…… -
Java – write a mat file instead of MATLAB header files and libraries
I have some data that I want to save to mat file (version 4 or 5, or any version for this) Capture: I don't want to us…… -
Java – how to speed up the build process using Maven tools
I use Maven as a build tool At present, I am doing the following construction Right click on the project - >maven c…… -
Java – can I press the jsup simulation button?
You can use jsup to submit a search to Google, but instead of sending your request through "Google search", you can us…… -
Java NIO Files. Createfile() failed with nosuchfileexception
I tried to put some core files in the dev - Test - prod setup Basically, if the document is newer, it needs to be copi…… -
Java – certificates need to be ignored when using resttemplate
I am sending a request to the following address The certificate is invalid. I want to ignore it I wrote the following …… -
Java – use generics in parameters of exceptions
I'm trying to store a collection of generic objects in exceptions and have trouble figuring out generics Specifically,…… -
Java – how to start GWT super development mode
There is already an answer to this question: > 5 super dev modes in GWT Now I can start using development mode, the…… -
The right way to use varhandle in Java 9?
I spent a lot of time investigating some new features of Java 9, but I didn't find any useful and practical examples C…… -
Java – access jar resources
I have a jar file and resources (mainly configuration cache, log, etc.) that I want to distribute I have a problem wit…… -
Java – spring welcome file list mapped correctly
I know that in spring, I must define the welcome file, which should be outside the WEB-INF folder, so I define it as f…… -
Java swing – running on EDT
I have a few questions about swing and use EDT to update the GUI I've just started reading this, so I'm a new beginner…… -
RSA encryption in Java: cross platform issues?
situation I am using RSA encryption in Java I am loading the data on HTC saphire (32b) developer's mobile phone with A…… -
Java – can Maven generate exe files and Mac OS X applications?
Let's say you created a java desktop application with jars and some dependencies and possible license text files I kno…… -
Java: the difference between collections and “data structures”
In Java, I don't understand the relationship between sets and "data structures" In my opinion, set refers to list, set…… -
Java – Tomcat can’t find my servlet and throw an exception, but why?
I tried to get into Java Web development, but it seems to be running into a strange problem with Tomcat and a very sim…… -
@Elementcollection Java persistence (hibernate) causes duplicate instances to be loaded
When @ elementcollection is used, multiple instances of all objects being loaded are loaded More specifically, it is l…… -
Is there a quick way to convert Java XML objects to scala XML objects?
Scala has its own XML library and provides built - in support However, one of the main features of the language is cal…… -
Java – lists and lists
Why lose type security when using list and use list < Object >? Aren't they basically the same? Editor: I found …… -
JPA – @ onetoone unidirectional and bidirectional
I have two examples, the first is @ onetoone one-way mapping and the second two-way mapping In one-way mapping, the ow…… -
Java – JPS cannot connect to remote jstatd
I'm using jstatd to query a remote JVM using JPS so that I can eventually monitor it using visual VM I use jstatd to r…… -
Java – create a command console
I have an unusual question: how to use swing to create a "command console"? What I want is the console where the user …… -
Java – default timeout for httpcomponent client
I can't find any documents on the default httpparams of httpclient 4.1? What is the default socket timeout when I do a…… -
Java – type A has defined an error
I tried to search for a solution, but I found that I didn't know how to apply it in this case Please help me correct m…… -
Java – use add () in the fragmenttransaction addToBackStack(),add(). Detach() and replace() What’s the difference between addtobackstack()?
In the FragmentTransaction project on Android docs, the method replace () is described, which is the same as calling t…… -
Java – how do I map spring MVC controllers to URIs with and without trailing slashes?
I have a spring controller with several requestmappings with different URIs My servlet is "UI" The servlet's base URI …… -
Bring components on JPanel to the front end (Java)
In VB, you can use zorder Before you ask, no, I didn't use the layout manager in this case If you have two components …… -
Switch scenes in JavaFX
I have a problem closing the current scene and opening another scene when selecting MenuItem My main stage codes are a…… -
The best way to merge and remove duplicates from multiple lists in Java
I have a situation where I will receive 2 ArrayList < widget > I need to be able to merge all lists and delete a…… -
Java – Apache wink and Apache CXF jax-rs implementation
Why does Apache have two implementations of jax-rs? CXF seems to be a huge bundle, including Jax WS and Jax rs. blinki…… -
Java – use JNA to link to a custom DLL
How to access customization using JNA lib / . DLL function? thank you. Solution Example (from Wikipedia): import com.s……