Java
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How to require two types of parameters when passing to a method in Java
In one class, I have to call the constructor of another class that requires two parameters, ihelloserviceconnectionobs…… -
Java V Scala from a concurrency Perspective
I'm starting my last year's project now I will study concurrency methods from the perspective of Java and scala After …… -
Java – two EJBs with the same interface Is this a good habit?
My use case requires me to have a class hierarchy, as shown below public interface ServiceA{ public void doSomething()…… -
Java: what are the event notification options in my own API?
Suppose you have written an API that can collect data in real time in a separate thread Data access is thread - safe a…… -
Java – custom parameters / variables passed to the Android simulator
I want to pass a parameter to the Android simulator launched through eclipse This parameter is a custom parameter. I w…… -
Java – how to use hibernate sessions?
My program structure is as follows: In my main Java class: for () // this will execute for say 5000 times ---- LINE 1 …… -
Java Swing custom controls
I want to know how to create a new swing control My problem is that some components are missing on swing (for example,…… -
Ant exclusion file
I have to write an ant goal for the JUnit report This is an existing application Some test class files are called test…… -
Java – executes code before and after the @ transactional method
We have a spring - based application whose service layer is annotated with @ transactional We need to run code before …… -
Java is equivalent to NET object. Equals(object,object)
Yes NET System. Static methods defined in object bool Equals(object a,object b); This is a useful alternative to A. eq…… -
Java – double iterator loop
So I have this loop in my code that requires two separate iterators But when it tries to use rbitterer When next(), Ja…… -
Java – type conversion required for function calls, with short data type variables as parameters
Whenever I use byte or short data types as method parameters, I need to explicitly convert the values I pass to these …… -
Java – why can’t my JTree be updated when a new node is added to the treemodel?
The defaulttreemodel I used fills in the override of defaultmutabletreenode, which supports optionally changing the di…… -
A clean technology or library for generating e-mail in Java
At present, our application uses the classic "string shredding" with some string The replace call generates a hybrid e…… -
Java – find the nearest point (nearest neighbor) of each point
I'm writing a method that takes an array of points as input and finds the closest point to each point in the array exc…… -
Java – wsimport generates incorrect code
I use wsimport to generate my java stub file To do this, I used an ant build file in Eclipse: <taskdef name="wsimpo…… -
Java – xmladapter to JAXB binding joda interval?
I have encountered a web service problem in my JAXB binding. I have been trapped for several hours: In order to prepar…… -
Java – SharedPreferences cannot work across activities
I'm trying to save some filters / states in one activity and then use the data in the next activity I'm using shared p…… -
Java – unable to load main class manifest attribute
I have an error after exporting from eclipse: C:\Program Files\Java\jre6\bin>java C:\wamp\www\JOGL\test.jar Excepti…… -
Java inheritance and generics
I have some classes that look like this: Model public abstract class BaseEntity<O extends Object> { ... } publi…… -
Java – play frame JPA problems with save()
I'm trying to save a simple object in the database, but it gives me some problems This is my object class: @Entity @Ta…… -
Java – does the implementation of hasmap store key value pairs in the linked list
I read in a book that when we place an element in a HashMap, it is stored internally in a bucket My question is >Do…… -
How to set expiration date in Java
I'm trying to write some code to correctly set the expiration date of a given date For example, this is what I have Da…… -
In Java, when the ThreadLocal object is modified, will the change be retained in the next request?
In a typical web application, when a request enters, the filter looks for the context object in the HTTP session If it…… -
Java – installing J2ME applications in Samsung Mobile
We develop J2ME applications for low-end mobile devices that support Java, such as Nokia S40 phones In our application…… -
Java code is equivalent to the following PHP code
The following PHP syntax may be Java equivalent: $newPerson = array( 'firstname' => 'First','lastname' =…… -
Java – how to use Guice to inject impl of some interfaces into Android activity
I use Guice 3.0 on Android to do some di I have public interface APIClient { } and public class DefaultAPIClient imple…… -
Multithreading – how do I call runnable using the spring framework?
I have a service that needs to call the runnable class Here are the lines of code used in my service @Autowired privat…… -
Java – how to append two bytes to int
I tried to append two bytes with hexadecimal values and store them as integers Obviously, everything is an unsigned va…… -
Debugging and publishing configuration in Java NetBeans project
Can I use a debug / release configuration that I can choose between so that I can change some variables when compiling…… -
Java – generate MouseMove event using dispatcher?
Do you use Java awt. Component. DispatchEvent (awtevent) does a MouseMove event? .dispatchEvent(new MouseEvent(client.…… -
Java – unit test for parsing files. How to load files from within the application?
I want to test a service method for parsing Excel files >I want to create a test folder for Excel files under web a……