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Change case of a file on Windows?
...cifically, I just want to change the case of the file, so that sourceCode.java becomes SourceCode.java , for example. The catch: I'm on a Windows box, and the filesystem thinks those are the same file name.
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Best way of invoking getter by reflection
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I think this should point you towards the right direction:
import java.beans.*
for (PropertyDescriptor pd : Introspector.getBeanInfo(Foo.class).getPropertyDescriptors()) {
if (pd.getReadMethod() != null && !"class".equals(pd.getName()))
System.out.println(pd.getReadMethod().i...
When to use actors instead of messaging solutions such as WebSphere MQ or Tibco Rendezvous?
...you're a Scala developer, then Akka should be a no-brainer. However Akka's Java bindings are not very Java-ish and require casting due to Scala's type system.
Also in Java people don't typically make immutable objects which I recommend you do for messaging. Consequently its very easy in Java to ac...
How do I resolve ClassNotFoundException?
I am trying to run a Java application, but getting this error:
21 Answers
21
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Why does Java allow us to compile a class with a name different than the file name?
I have a file Test.java and the following code inside it.
8 Answers
8
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What is the best java image processing library/approach? [closed]
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There's ImageJ, which boasts to be the
world's fastest pure Java image
processing program
It can be used as a library in another application. It's architecture is not brilliant, but it does basic image processing tasks.
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How to remove line breaks from a file in Java?
How can I replace all line breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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getResourceAsStream() vs FileInputStream
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The java.io.File and consorts acts on the local disk file system. The root cause of your problem is that relative paths in java.io are dependent on the current working directory. I.e. the directory from which the JVM (in your cas...
How to get image height and width using java?
...n't you also use probeContentType from the nio.Files package combined with javax.imageio.ImageIO.getImageReadersByMIMEType(mimeType) if you wanted to be certain of the type of file?
– EdgeCaseBerg
Nov 10 '15 at 19:14
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Error java.lang.OutOfMemoryError: GC overhead limit exceeded
... objects in an already very memory-constrained environment.
Check out the Java GC tuning guide, which is available for various Java versions and contains sections about this specific problem:
Java 11 tuning guide has dedicated sections on excessive GC for different garbage collectors:
for the P...