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How to implement a tree data-structure in Java? [closed]
Is there any standard Java library class to represent a tree in Java?
24 Answers
24
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How to encrypt String in Java
...s I see online when people implement crypto on their own with the standard Java library. If you want to just skip all the details run over to Google's new library Tink import that into your project and use AES-GCM mode for all your encryptions and you shall be secure.
Now if you want to learn the ...
What is the Java equivalent of PHP var_dump?
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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. ...
Naming of enums in Java: Singular or Plural?
Is there an "official" recommendation of how to name Java enums?
2 Answers
2
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How do I declare and initialize an array in Java?
How do I declare and initialize an array in Java?
28 Answers
28
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Java volatile reference vs. AtomicReference
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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...
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.
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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?!?
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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...
How to declare or mark a Java method as deprecated?
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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...