Java
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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 implementation of sorting algorithm
Collections. sort() Java sorting can be done with collections Sort() sorting function implementation. Use collections …… -
Java – spring integration – abstractinboundfilesynchronizer does not update files
I would expect the FTP synchronization mechanism to update a changed file However, as you can see here, the file is do…… -
Java – why double When Nan is packaged in a dual instance?
I learned double from this question Nan is not equal to yourself I'm verifying this for myself and notice that if you …… -
java. net. Socketexception: pipe breakage
I receive this error or my JSP page every day: java.net.socketException Message: pipe breakage Stack trace: java.net.s…… -
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…… -
Using type hints to return values in clojure
I'm developing some Java / clojure interoperability and found reflection warnings for the following code: (defn load-i…… -
Java – unexpected results of implementing simple motion blur in libgdx
In the attached two photos, the desktop screenshot function of libgdx is as expected Unfortunately, my Galaxy nexus sc…… -
Can the list passed to the function be modified by another thread in Java?
Integer getElement( List<Integer> list ) { Integer getElement( List<Integer> list ) { int i = Random.g…… -
Java – what settings do you need to make to use jsr-303 annotations in spring?
I downloaded spring 3 and put it on my classpath, but I couldn't import the @ valid annotation However, I can import o…… -
Java Web application initialization and shutdown
I try to initialize and close a webapp Including initialization and shutdown: > Hibernate(v3.6); > C3P0(v0.9.1.2……