performance « class file « Java I/O Q&A





1. Performance impact of Java class files generated with "-target 1.5" running on a 1.6 VM?    stackoverflow.com

After migrating my whole setup from Java 1.5 to 1.6 (J2EE, Tomcat) a couple of months ago, I just realized that Maven is still configured to generate class files targeted for ...

2. Change a java class    stackoverflow.com

I have found a potentially faster implementation of the BigInteger class. Anyone can tell me how can I change the original BigInteger class found in java.math with this one please. Thanks in ...

3. Java I/O classes and performance    stackoverflow.com

Reading Thinking in Java 4th ed. I've got some doubts about I/O operations performance: I've read that it's better to "wrap" InputStream objects in BufferedInputStream, but in my mind I can't see ...

4. Performance issue with Java 'File' class    coderanch.com

When I tracked down the performance bottle necks in my application they all pointed to the File class. I'm recursively traversing a directory tree and for each node I call: exists(), isFile() and isDirectory(). In Sun's source code these three are just different bits of the same flag but I don't see any way to get access to the flag directly ...