大约有 7,479 项符合查询结果（耗时：0.0167秒） [XML]
How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
28
...
What is the Java equivalent of PHP var_dump?
...
It is not quite as baked-in in Java, so you don't get this for free. It is done with convention rather than language constructs. In all data transfer classes (and maybe even in all classes you write...), you should implement a sensible toString method. ...
Glorified classes in the Java language
Some classes in the standard Java API are treated slightly different from other classes. I'm talking about those classes that couldn't be implemented without special support from the compiler and/or JVM.
...
How to declare or mark a Java method as deprecated?
...
Use @Deprecated on method. Don't forget about clarifying javadoc field:
/**
* Does some thing in old style.
*
* @deprecated use {@link #new()} instead.
*/
@Deprecated
public void old() {
// ...
}
sh...
Java volatile reference vs. AtomicReference
...
Short answer is: No.
From the java.util.concurrent.atomic package documentation. To quote:
The memory effects for accesses and updates of atomics generally follow the rules for volatiles:
get has the memory effects of reading a volatile variab...
Choosing a Java Web Framework now? [closed]
...ng a large website which is built on a custom developed mvc framework to a java based web framework which provides built-in support for ajax, rich media content, mashup, templates based layout, validation, maximum html/java code separation. Grails looked like a good choice, however, we do not want t...
What is the list of valid @SuppressWarnings warning names in Java?
What is the list of valid @SuppressWarnings warning names in Java?
9 Answers
9
...
How to find a Java Memory Leak
How do you find a memory leak in Java (using, for example, JHat)? I have tried to load the heap dump up in JHat to take a basic look. However, I do not understand how I am supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hu...
JSF vs Facelets vs JSP [duplicate]
I can't seem to get a clear answer as to the concrete difference between Java Server Faces vs. so-called facelets . Can anyone give me a clear-as-day answer?!?
...
Getting request payload from POST request in Java servlet
I have a javascript library that is sending a POST request to my Java servlet, but in the doPost method, I can't seem to get the contents of the request payload. In chrome Developer Tools, all the content is in the Request Payload section in the headers tab, and the content is there, and I know th...