Java
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Java TCP Socket Sniffing
I use TCP sockets to transfer data between the server and client programs using a specific port number on the same com…… -
Java – spring @ transactional annotation cannot use automatic wiring?
My application uses spring auto wiring to configure beans I just tried to add @ transactional, and it seems that I did…… -
Create a stand-alone Java websocket client endpoint?
I want to create a websocket endpoint client in Java (as pure as possible, no framework), but almost all the examples …… -
Do characters have intrinsic int values in Java?
Why does this code print 97? I haven't assigned 97 to 'a' anywhere else in my code before public static void permutati…… -
Java – how does Lombok generate code to an existing class?
I can use annotation processor to generate classes from scratch, but I can't modify Lombok - like classes I searched t…… -
Java – Maven exec plug-in classnotfoundexception
I am using the Maven exec plug-in to run a Java application from the command line. The command is MVN exec: Java I'm a…… -
Fast port forwarding in Java
I built a simple application to open the server socket. When connecting, it connects itself to another server socket o…… -
Java – multiple clamps in one body or multiple bodies?
Suppose I want to create 1000 or even 5000 static body lines on the screen What I want to know is the difference betwe…… -
Java code for generating reports using birt
I have some data in XML, which contains few records, and I have created an RPT file Now, how can I call birt to genera…… -
Java – sharing under IP
How do I list all available shared folders under a specific IP address? Analog code: IP ip = new IP("10.0.0.9"); for(…… -
Can parent package classes be accessed from child package classes in Java?
Can I access from a Java sub package class? Please explain me any one? Example package a.a1 A2 contains class sub pack…… -
How to send fix messages using quickfix / J
I need a simple example of how to initialize a session and send a fix message I have this initial code: SessionSetting…… -
Java PDF manipulation and rendering
I hope this problem will become a comprehensive guide to PDF manipulation and rendering in Java I have a fairly compre…… -
Java – what is the difference between a normal interface class and an abstract class with only abstract methods?
I'm just curious if they have any different treatment For example, if we have: Interface: public interface Test { …… -
Combining Java swing and java3d: concurrency performance issues
I combine swing with Java 3D The operation of swing component shall be completed using event scheduler thread, while t…… -
Java: do sth in a period of time
I need a few lines of Java code to run x% at random Pseudo code: boolean x = true 10% of cases. if(x){ System.out.p…… -
Java – generationtarget encountered an exception to accept the command: error executing DDL through JDBC statement
I'm a novice in the hibernate world. In the face of, WARN: GenerationTarget encountered exception accepting command : …… -
Java – unable to parse org. XML eclipse. jdt. annotation. Nonnull type It is from what is needed Class file indirectly referenced
When I use the Java 8 method to reference the double colon operator (:) and the new operator (for example, mytype:: ne…… -
Java – when I read an image, the source raster array and the source color space component do not match
See English answers > illegalargumentexception: numbers of source raster bands and source color space components do…… -
How to limit the number of entries in a Java hash table?
Is there a technique so that I can specify a number n so that when inserting the (N1) th entry, the oldest entry is de…… -
Java – association between: webapplicationcontext of springioccontainer | ApplicationContext |
background After reading 1 2 3 4 5 6 links, I come to the following conclusions – As spring, MVC is designed in a stan…… -
Java – why call close() on resultset and connection instances?
When I no longer need to use instances of resultset and connection in my program, why call on these two methods What a…… -
Java – parsing JSON objects and JSON arrays using gson
I have a JSON that is a single object or an array of the same object Is there any way to parse this data using gson, w…… -
Email – does JavaMail support server push?
Does JavaMail support push notification of new e-mail through the server? If so, where is the document? If not, is the…… -
You need a visual Java library that supports automatic layout
I need a java graphics library for visualization that I can add to my own applications I find JGraph very suitable for…… -
What is the equivalent of c# the access modifier in Java and scala?
I used to work in c# before, and now I spend a lot of time working in scala and Java This can be confusing because acc…… -
Java – reject hostkey: when deploying jars using gradle SSH plug-in
I'm trying to upload jars using gradle and use the gradle SSH plug-in: https://gradle-ssh-plugin.github.io/ Unfortunat…… -
Java – does closing bufferedoutputstream also close the underlying OutputStream?
I call response Getoutputstream () streams binary data (extracted from the database as a CLOB CSV file) to the browser…… -
Java – how to run different jobs of Apache nutch in parallel
I use hen 2.3 All jobs run one after another, that is, the first generator, extraction, parsing, indexing, etc I want …… -
Java – Design of objects and static methods
As shown in the figure below, there are two simple ways to make the streaming copier (Introducing Apache commons or si…… -
Java – spring 4 – find the interface org springframework. test. context. Testcontext, but the class is expected
I began to get "find the interface org. Springframework. Test. Context. Testcontext, but the class is expected". Sprin…… -
How do I link two Java serialized objects together?
Sometimes (actually many), we get a Java case where two objects point to the same thing. Now, if we separate these ser……