Java
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Create Java Native methods for constructors
I'm writing a program in Java. I want to create a native interface for the library written in C But I'm confused about…… -
Close resultset in Java 7
See English answers > must JDBC resultsets and statements be closed separately although the connection is closed af…… -
Java – when to select JMS API through UDP socket API and vice versa?
It can motivate programmers to use the Java JMS (Java Message Service) API instead of Java in distributed Java applica…… -
Java – how to track row indexes after JTable has been sorted by users?
I have a JTable with the first line blank Now, when I sort the columns by clicking on the column, the blank row is at …… -
Embedding a web browser window in Java
Does anyone know to open an instance of a platform (Windows / Linux / MAC) browser in a swing window integrated into a…… -
How do I use java to capture selected screens from other applications?
We are trying to develop a screen capture utility How do we use java to capture the selected screen of another applica…… -
Natural language processing solution in Java
See English answer > is there a good natural language processing library [closed] 3 Solution The two popular I know…… -
Audio / video capture in phonegap / Cordova using external Java plug-ins
I am developing an Android application using phonegap / Cordova and JavaScript I want to use an external Java plug-in …… -
Generating patterns from entities using JPA2 hibernate eclipse 4.2 MySQL 5.5
I'm new to hibernate / JPA, and I insist it's the last step Solution If you are using hibernate, you can: >Set "hib…… -
Why does this exceed the 65535 byte limit in Java constructors and static initializers?
Disclaimer: I realize that I can generate this at Java runtime. When testing some code, I need a very special case I f…… -
How to parse large (50 GB) XML files in Java
At present, I try to use a Sax parser, but about 3 / 4 through the file, it is completely frozen, I have tried to allo…… -
Java – why doesn’t Maven generate project reports?
This is Maven 3.0 I am creating a new project: mvn archetype:create Then I create a file site / site xml： <project…… -
Java – converts a byte array containing ASCII characters to a string
I have a byte array consisting of ASCII characters that I want to convert to a string For example: byte[] myByteArray …… -
Java – how to improve my JUnit test
My JUnit test looks like a long story: >I create 4 users > I delete 1 user > I try to log in with the deleted…… -
Java – use GlassFish / Metro to simulate the problem of WCF secure web server
I'm trying to build a GlassFish hosted web service (for development and testing) and a WCF hosted web service I have t…… -
Java string pool and type conversion
My problem is the way Java handles strings It is clear from the Java language specification (JLS) that string literals…… -
Java – even with wrapper classes, swingworker exceptions are lost
I have been trying to solve the usability problem of swingworker. It will throw any exception in the background task, …… -
Packaged Java applications run faster in Windows XP compatibility mode
According to some of my customers, Java applications run faster in Windows XP compatibility mode of Windows 7, but why…… -
Java – BlackBerry browser return Click
After loading the browser, I want to go back to the previous page, but it takes three clicks I tried to override the b…… -
Java – how to implement batch processing using mybatis / spring?
I want to know how to use mybatis 3& amp; Spring 3? For example, this is what is being done now: spring. xml： <…… -
Java – AbstractFactory and bridge mode
I just learned bridge pattern and its intention: remove an abstraction from the implementation so that the two can cha…… -
Java – migrate to Tomcat 8: instancealreadyexistsexception data source
I have a question about the context configuration in Tomcat 8 I migrated the project from Tomcat 7 to Tomcat 8, and th…… -
Java – nullpointer exception in LinkedList when using for each loop
I encountered very strange Java behavior. I don't know whether it is a bug or not The code simply passes through the s…… -
Create a unique timestamp in Java
I need to create a timestamp (in milliseconds) in Java that is guaranteed to be unique in this particular VM instance …… -
Java – if called in the synchronization method, thread. Will yield() lose the lock of the object?
I understand thread currentThread(). Yield () is a notification thread scheduler that can assign CPU loops to other th…… -
Java – hibernate validator, custom resourcebundlelocator and spring
I tried to override the default resourcebundlelocator in Hibernate authentication 4.1 So far, it works perfectly, but …… -
Java – why does the attribute change listener instead of observable
I had problems with class design until I found observability (using the observer design pattern) and created a small a…… -
Java – how do I subclass ByteBuffer?
Therefore, the Java NiO architect does not create a ByteBuffer interface, but a ByteBuffer class. It is not a final cl…… -
Java – why does the following code compile without errors?
I am new to Java and try to understand the following The length of the array is different The code still executes with…… -
Java error when combining Lambdas and multiple catch clauses?
import java.io.*; import java.io.*; import java.net.*; public class Test { …… -
How to specify the encoding of Java source files?
I used strange Unicode strings in java test cases The compiler seems to interpret the file as ISO - 8859 - 1, causing …… -
Java – jarscan, which scans all jar files of a specific class in all subfolders
We are seeing an older version of the class being used, although we have the latest deployment To scan all jar files i……