大约有 30,000 项符合查询结果（耗时：0.0361秒） [XML]
Reversing a linked list in Java, recursively
I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
How do you pass custom environment variable on Amazon Elastic Beanstalk (AWS EBS)?
...
In the 2016 Java8 Tomcat8 AMI, ElasticBeanstalk fails to set environment variables from the web configuration. They are really setting jvm -D properties instead.
--
"The following properties are passed into the application as environme...
Spring Boot: How can I set the logging level with application.properties?
...imple question, but I cannot find information.
(Maybe my knowledge about Java frameworks is severely lacking)
15 Answers
...
Eclipse: How do you change the highlight color of the currently selected method/expression?
...
Very nice. When a Java guy sees "annotations" they immediately think about Java annotations which have nothing to do with this setting. But since it's under the regular TEXT Editor area instead of the Java Editor settings, the term means somet...
When does static class initialization happen?
...lass.forName(fqn)
1 - The final bullet point was present in the JLS for Java 6 through Java 8, but it was apparently a mistake in the specification. It was finally corrected in the Java 9 JLS: see source.
share
...
Why is Java's Iterator not an Iterable?
...urn iterator;
}
}
return new SingleUseIterable();
}
In Java 8 adapting an Iterator to an Iterable gets simpler:
for (String s : (Iterable<String>) () -> iterator) {
share
|
...
How to write to a file in Scala?
... File - File is a File (called Path) API that is based on a combination of Java 7 NIO filesystem and SBT PathFinder APIs.
Path and FileSystem are the main entry points into the Scala IO File API.
import scalax.io._
val output:Output = Resource.fromFile("someFile")
// Note: each write will o...
Difference between validate(), revalidate() and invalidate() in Swing GUI
...d and performs layout of the container.
UPDATE:
Some code from Component.java
public void revalidate() {
revalidateSynchronously();
}
/**
* Revalidates the component synchronously.
*/
final void revalidateSynchronously() {
synchronized (getTreeLock()) {
invalidate();
C...
How do I convert a org.w3c.dom.Document object to a String?
I want to convert a org.w3c.dom.Document object to a String. I'm using Java 6 and am open to using any (completely free) technology that is up to the task. I tried the solution from this thread -- Is there a more elegant way to convert an XML Document to a String in Java than this code? , where t...
What is javax.inject.Named annotation supposed to be used for?
I am trying to understand the javax.inject package and I am not clear what the javax.inject.Named annotation is supposed to be used for. The Javadoc does not explain the the idea behind it.
...