Java
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Java – dynamic proxy and exception checking
How do I make my dynamic agent throw a check exception? I need a transparent wrapper for the interface, which sometime…… -
Java – liquibase: how to use it?
I'm looking for an example of how to use < where params > < / where params >, which belongs to < update…… -
java – String. Touppercase may delete accents
I have to apply for uppercase on names that may contain accents ("é", "long", etc.) >With JUnit, "é" Touppercase is…… -
Parsing queues in Java and simulating queues with LinkedList set
Description of queue in API: The collection used to save the element before processing it. In addition to the basic co…… -
Java – how to make dynamic JTable cells editable / non editable?
Is there any way to dynamically create non editable cells in JTable? Whenever the user gives input like false, I want …… -
Three characteristics of java object-oriented
Three characteristics of java object-oriented: "encapsulation, inheritance and polymorphism". For more Java technology…… -
Java implementation of accessing image operation examples with MySQL
1. Blob type in MySQL MySQL can store large file data, generally using blob objects. Such as pictures, videos and so o…… -
Simple example of using JDBC to operate database in Java
I haven't written any database applications for a long time. Here's a review of Java JDBC. 1. Using java JDBC to opera…… -
On the single case design pattern in Java programming
When writing software, you often need to use the print log function, which can help you debug and locate problems. Aft…… -
Java – why does a program not allow static final variables to be initialized?
I see that the following java code looks good, but it is never compiled: public class UnwelcomeGuest { public sta…… -
Java uses POI to read the properties file and write it to excel
This example describes how Java uses POI to read the properties file and write it to excel. Share with you for your re…… -
Java – read files using the IntelliJ IDE
I've been an eclipse user for a long time, and I've started playing IntelliJ idea ide So from my understanding, a proj…… -
Java – can I open several instances of eclipse at the same time?
I wonder if I can open several instances of eclipse at the same time I am using it for java development I know that I …… -
Java – JSON parser for J2ME
I need a basic JSON parser that works with J2ME / CLDC 1.1 Google search will return a lot of answers (some even on st…… -
Java – non static inner class objects are garbage collected after they are no longer referenced?
I have a spring bean similar to the following: public class MyServiceImpl { private MyDAO myDAO; public class…… -
Java – making multiplayer games via the Internet or the Internet
Hi, I wrote a multiplayer game in Java. I want to know what I need to learn and / or what I should use to make the gam…… -
Java – compare get / put operations of direct and indirect ByteBuffer
Get / put from direct ByteBuffer is faster than get / put from direct ByteBuffer? If I have to read / write from the d…… -
Java – create JSON strings using gson
I'm finishing class, public class Student { public int id; public String name; public int age; } Now I…… -
java – NoClassDefFoundError：org / aopalliance / intercept / MethodInterceptor
My new spring and hibernate I don't know what I'm doing wrong Project structure: – library On the web xml <?xml ver…… -
Java – Tomcat 7 suspends initialization of spring root webapplicationcontext
I tried to deploy a spring web application to Tomcat 7.0 24, but it hangs at startup, and the last line is displayed a…… -
Java – memory efficient multivalued mapping
Hi, I have the following questions: The most efficient memory is to store string in sorted string array and provide co…… -
Java – how to delete system. Java from the code base out. println
We have a huge (old Java) code base in which many files (about 5K) have system out. println. We plan to delete it for …… -
Java – what is the best way to modify “write static fields” from the instance method “findbugs” warning?
I have a similar class, findbugz complains about "writing static fields from instance methods (initialize () and kills…… -
Java – unresponsive threads involving swing and AWT eventqueue
I have an unresponsive application that seems to be in an impasse or stalemate Look at the following two threads Note …… -
Java – how to parameterize the Maven surefire plug-in so that I can choose which TestNG suite to run
I have many test suites in TestNG These are XML files When running integration tests from maven, I want to be able to …… -
Cheat single inheritance in Java?
I heard that there is a way to cheat single inheritance and implement multiple inheritance in Java Does anyone know ho…… -
Optional parameterization using generics in Java
Can I specify a default type when parameterizing a class? // abstract class public abstract class AbsClass<T1 e…… -
jsf – java. Lang.illegalstateexception: cannot find factory javax faces. context. Backup of facescontextfactory
I created my Hello World JSF project, but when I deployed to Tomcat 7, I got this exception: java.lang.IllegalStateExc…… -
Java – how to prevent borderlayout east from embracing one side of the screen?
If I add a component like jbuttons in the east or west, how can I prevent it from being on one side of the screen? I w…… -
Create a hard link in Java
At present, I pass the runtime Exec() uses the 'ln' command The only problem is that in order to do this fork, we need…… -
Java – how to add Web Tools Platform (WTP) in eclipse Kepler
I installed eclipse Kepler. Com on my system So far, I have developed J2SE application Now I want to develop J2EE appl…… -
Java – the difference between salt and key encryption
OK, so I'm trying to learn a little about encrypting messages in my java application I just found that salt is differe……