Recent Posts
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Where are Java static variables stored in memory?
class A{ class A{ static int i = 10; static int j = 20; static void getname(){ } } Where are these variables …… -
Java – how to use httpsurlconnection certificate authentication?
I am trying to connect to an HTTPS URL, but I need to use client authentication and a certificate placed on my system …… -
How do I map a string to a function in Java?
At present, I have a bunch of Java classes that implement the processor interface, which means that they all have a pr…… -
Java – Apache Tomcat 7.0 is not decompressed war？
I want to deploy my application to the server, and then I can access the application like this: http://10.10.10.10/ind…… -
Java – how to set the content type of a file for multipart upload in using resttemplate (from the rest client)
The file I want to upload will always be an XML file I want to set content type to application / XML MultiValueMap<…… -
Java Preparedstatement UTF-8 character problem
I have a prepared statement: PreparedStatement st; In my code, I try to use the st.setstring method st.setString(1,use…… -
JavaFX: what is the difference between EventHandler and EventFilter?
I've been searching for some time and I found that basically, some web pages say there's no big difference Except for …… -
Java – how do I read directories from the runtime classpath?
My java application needs to be able to find a myconfig / directory that will be bundled in the same jar: myjar.jar/ …… -
Java – socket input stream is hung at the end of reading What’s the best way?
I'm a little obsessed with how to avoid my socket hanging on reading This is my code: Socket socket = new Socket("some…… -
Java – what is the purpose of calling type parameters in the new constructor?
In Java specification（ http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls -In 15.9), new has the follow…… -
Java, the most effective way to pass string array as method parameters
Why passing {a, B, C} to a method doesn't work? 7 String[] args = {"a","b","c"}; method(args); private void method(S…… -
Java – iterates a one-dimensional array into a two-dimensional array
I have, int[10] oneDim = {1,2,3,4,5,6,7,8,9,10},index = 0; As shown in figure here, we create a two - dimensional from…… -
Java – double my money: my framework uses doubles monetary amounts
I inherited a project in which monetary quantities use dual types To make matters worse, it uses twice the money for t…… -
Java – generic methods for non generic classes
I try to use a generic approach, so I don't have to repeat the code I tried: private Listener createListenerAdapter(Cl…… -
java – class. Is getname () expensive?
In many courses of a project I'm working on, I see it called class_ The private static end member of name, which is de…… -
Java – JScrollPane needs to be narrowed down
I have a JScrollPane with a JPanel inside (the panel contains some jlabels) I want to resize the scroll pane to actual…… -
Java – how to share a JSF error page among multiple Wars
I'm trying to share an error page (error. XHTML) between multiple wars They are all in a big ear application, and they…… -
Java – use enum vs Boolean?
This may seem generic at first, but in fact, I'm actually making the decision I need to use My ongoing work involves j…… -
Java – different titles for each fragment in my viewpager
I'm using a viewpager "tab slide" and I want to set a different title for each clip in the actionbar so that the title…… -
grails – java. lang.ClassNotFoundException：org. apache. batik. dom. svg. SVGOMDocument
Pay attention to many questions and answers about using batik. I can't fix my mistakes. I can't find anything that may…… -
Java – examples / illustrations of wait free and lock free algorithms
I have read that waiting for free causes all threads to complete independently, and no locking ensures that the progra…… -
Java: copying arrays of non basic types
What is the preferred way to copy non primitive arrays in Java? How about performance issues? Solution The old school …… -
JavaFX copy from clojure
I started learning clojure, and I wanted to try JavaFX for GUI I found this article: http://nailthatbug.net/2011/06/cl…… -
Java EE – inject EJBs into domain objects using Java EE 6
How to inject EJBs into domain objects (JPA entities) using Java EE 6? Solution In Java EE 6, CDI extends the concept …… -
Java – is there a tool or framework to generate crud UI in swing?
I am looking for a tool / framework to (automatically) generate a swing user interface to perform CRUD operations on t…… -
Java – socket input stream is hung at the end of reading What’s the best way?
I'm a little obsessed with how to avoid my socket hanging on reading This is my code: Socket socket = new Socket("some……