Recent Posts
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Does Java support Julian calendar?
Oracle docs http://docs.oracle.com/javase/6/docs/technotes/guides/intl/calendar.doc.html It claims that Java supports …… -
Java – how to start the server Daemon in spring
I want to start the daemon mail service thread when the Tomcat server starts So I annotated a method with @ async anno…… -
javax. inject. Singleton and javax ejb. Differences between singletons
I'm confused javax inject. Singleton and javax ejb. What's the difference between singletons? Solution Adam bien gives…… -
How to convert ArrayList to JSON in Java
I have an ArrayList, which has a bunch of domain objects As follows: Domain [domainId=19,name=a,dnsName=a.com,type=0,f…… -
Java – define encryption suite for TLS in JCA
I want to use JCA to support the following cipher Suites in TLS: > TLS_ PSK_ WITH_ 3DES_ EDE_ CBC_ SHA > TLS_ PS…… -
Java – format JSON before writing to file
At present, I am using Jackson JSON processor to write preference data and files, mainly because I want advanced users…… -
Java – number of bundles in Android
Pass data from one activity to another through the following code: @Override public void execute(List<Report>…… -
Java – get Boolean values from the properties file
I have a property file with some Boolean values AFAIK,java. util. Properties has nothing like getboolean Is there any …… -
Does rest (resttemplate) in Java – spring library support HTTPS protocol?
I tried to connect to the web server through HTTPS protocol, but the response Getbody () returns null and must return …… -
Java – add the classpath to the terminal running in the Maven integration test
I'm setting up integration testing for a maven project that generates war files (as shown here) http://docs.codehaus.o…… -
java – org. hibernate. Objectnotfoundexception: no row with the given identifier exists
Since hibernate 4.1 Since August 8, I have had a problem, resulting in the following exceptions: org.hibernate.ObjectN…… -
Java – why does UDP datagram fail even when the process is running locally?
Then I am developing a java interface between the streaming media server and the flash client I noticed that even if b…… -
How to understand “consistency before occurrence is not enough” in Java
In Chapter 17 of Java language specification, there was a part explaining why "lack of consistency" Here is an example…… -
What does this () mean in Java
There is already an answer to this question: > what the use of this() in LinkedList java2 It appears to work only w…… -
Java – which runs faster, ArrayList or LinkedList?
There is already an answer to this question: > when to use LinkedList over ArrayList? 30 List li = new LinkedList()…… -
Java – a description of how the classloader loads static variables
Well, this is a novice question about Java, but I don't seem to be sure I have the following code in my course private…… -
Java – Scala point syntax (or missing)
When I came across a piece of code that meant nothing to me, I was experiencing this wonderful book Programming in sca…… -
Java – jax-ws and saaj style, which one is used
What is the difference, philosophical or otherwise, between using the service and dispatch class and the soapconnectio…… -
How to debug Java Swing layout
There is a way to print layout information for specific components I know one way is there, but I forgot the name When…… -
Java – optical character recognition Android and opencv
At present, I am carrying out a project involving optical character recognition in Android. I really need the pointers…… -
Use Boolean The valueof () method vs (or Java 1.5 autoboxing) creates a Boolean object
Boolean. Valueof() and Java 1.5 auto@R_750_2419 @A better approach between ing is to create Boolean values from Boolea…… -
Java – how do you simulate output streams?
By 'output steam' I mean any object that receives a sequence of bytes or any character So, Java io. OutputStream, and …… -
When annotation is used as the super interface, the value of Java – @ suppresswarnings
I have an enumeration that implements annotations, and I get a warning: Does @ suppresswarnings that handle this warni…… -
Java equivalent of numpy multidimensional object
After using it for some time, I really like numpy's multidimensional array It is very useful to write algorithms using…… -
Java – find the last row in an Excel spreadsheet
I'm using Apache's Java POI to find the index of the last row in an Excel spreadsheet I think it should be possible to…… -
How to ensure that a code block cannot be interrupted by any other thread in Java
For example: new Thread(new Runnable() { public void run() { while(condition) { *code that must not be in…… -
Java – loop through the list, a better way
When I write and discover new ways of working in Java, I'm always confused about the better way to loop lists to outpu…… -
Java – Android studio – gradle 1.5 – core library options
There is a problem with my android project and gradle 1.5 I know that searching from Android devices may not be the be…… -
How to use org. Org in Java apache. commons. Lang namespace?
I tried using org. Org in eclipse apache. commons. Lang. notimplementedexception, although you can see from IntelliSen…… -
What experience have you had with functional Java projects?
I am reading the following questions – how safe would it be to use functional java to add closures to a Java productio…… -
Java – hibernate SQL query result mapping / conversion to object / class / bean
1 2: Select (table. * *) / (all columns) ok String sql = "select t_student.* from t_student"; //String sql = "select t…… -
Java – spring securely switches to LDAP authentication and database permissions
I implemented database authentication for my web pages and web services @Configuration @EnableWebSecurity @EnableGloba……