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How can I turn a List of Lists into a List in Java 8?
...tains all the objects in the same iteration order by using the features of Java 8?
9 Answers
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Does the Java &= operator apply & or &&?
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From the Java Language Specification - 15.26.2 Compound Assignment Operators.
A compound assignment expression of the form E1 op= E2 is equivalent to E1 = (T)((E1) op (E2)), where T is the type of E1, except that E1 is evaluated o...
Java inner class and static nested class
...is the main difference between an inner class and a static nested class in Java? Does design / implementation play a role in choosing one of these?
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How to avoid passing parameters everywhere in play2?
...chieve it: through actions composition or by using implicit parameters. In Java I suggest using the Http.Context.args map to store useful values and retrieve them from the templates without having to explicitly pass as templates parameters.
Using implicit parameters
Place the menus parameter at th...
Including jars in classpath on commandline (javac or apt)
... to setup all of the web service stuff I need to run apt. (Although using javac I am having the same issue). I think what I am getting is compile errors. (Shown at bottom).
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Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...能够得到Eclipse的底层支持。更重要的是，我们可以利用Java创建象Eclipse这么漂亮的桌面程序。
我相信，在未来的几年里，RCP一定会变得非常流行。使用RCP，我们可以开发界面象Eclipse这样漂亮的桌面程序，比如医院管理...
How do CDI and EJB compare? interact?
...anaged by EJB container.
Seems that CDI does understand what EJB is, so in Java EE 6 compliant server, in your servlet you can write both
@EJB EJBService ejbService;
and
@Inject EJBService ejbService;
that's what can make you confusing, but that's probably the only thing which is the bridge betwee...
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) {
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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...
What is the difference between == and equals() in Java?
...ich states that equal objects must have equal hash codes. (docs.oracle.com/javase/7/docs/api/java/lang/…)
– Abhijeet
Jul 6 '16 at 13:20
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