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java: (String[])List.toArray() gives ClassCastException
... IntelliJ, I get a warning to use toArray(new String[0]) rather: "In older Java versions using pre-sized array was recommended as the reflection call which is necessary to create an array of proper size was quite slow. However since late updates of OpenJDK 6 this call was intrinsified, making the pe...
How to use the same C++ code for Android and iOS?
.... All shared code is in this segment. The highest level is regular Obj-C / Java / Kotlin code, no news here, the hard part is the middle layer.
The middle layer to iOS side is simple; you only need to configure your project to build using a variant of Obj-c know as Objective-C++ and it is all, you ...
Is there any performance reason to declare method parameters final in Java?
Is there any performance reason to declare method parameters final in Java?
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Java Swing revalidate() vs repaint()
...e() or revalidate() is mandatory when you do a remove() - see the relevant javadocs.
My own testing indicates that repaint() is also necessary. I'm not sure exactly why.
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Error starting jboss server
... attribute to the parameter tag):
<constructor><parameter class="java.io.File"><inject …
The original version doesn't have the class="java.io.File" attribute.
Pretty sloppy of the JBoss folks, but there you go.
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How to view hierarchical package structure in Eclipse package explorer
...contain only one subpackage) Remark: just saw that i have "Eclipse IDE for Java Developers" on my laptop whilst having "Eclipse Java EE IDE for Web Developers." on my desktop.
– raudi
Aug 10 '11 at 14:01
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Java : Comparable vs Comparator [duplicate]
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Using scanner.nextLine() [duplicate]
...ave been having trouble while attempting to use the nextLine() method from java.util.Scanner.
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Where can I download Jai and Jai-imageio? [closed]
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Here you go: http://www.oracle.com/technetwork/java/javasebusiness/downloads/java-archive-downloads-java-client-419417.html
Maybe this is interessting, too. I saw they provide some extensions:
http://java.net/projects/imageio
I know about Sanselan and ImageJ, too, but d...
How to get file size in Java [duplicate]
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Use the length() method in the File class. From the javadocs:
Returns the length of the file denoted by this abstract pathname. The return value is unspecified if this pathname denotes a directory.
For the second part of the question, straight from File's javadocs:
ge...