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I have a very big project on java and I want to know time and class that JVM calls for debugging purposes.
Use Java VisualVM for profiling the application. See the instructions here.
Also other commercial and non-commercial profilers are available. See this article for more information.
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Any idea?
How can I generate documentation using already present code in java class / classes. As the java class changes, I would want it to reflect in documentation automatically.
Regards
Monica Soni
There are some tools available on the market that scan your code and generate a documentation for it. A known tool which does it, and my favourite, is Javadoc. It also allows you to add annotations to the code which later be reflected in the documentation.
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I have a Core Java Swing project that I am using with MySQL database.
How to create software setup and how to use MySQL database client?
I used install4j recently for similar purpose. You can refer this tutorial for in detail steps.
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I want to implement JUnit tests in order to do some refactoring. First I'd like to check how good the class is, whether it's implemented for testability. Is there any metric and tools I could use to measure how testable a Java class is?
Probably you're looking for the Testability Explorer. Latest code seems to be on github.
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I have to make app using java technology and it should work same as drop box is working. So can you suggest how to start or which jar is required for it?
From the question it looks like you are new to Java. So your best bet would be to use an existing library to do the sync. Java is often not considered the ideal choice for file intensive tasks due to performance issues.
eg:
http://jfilesync.sourceforge.net/
Also see this: https://stackoverflow.com/questions/2283958/java-folder-synchronisation-class-library
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How is AWT implemented for Solaris?
ie: What native libraries, if any, is it dependent on?
For Sun JRE: Old school MToolkit use Motify. From 1.5 I think, there is XToolkit which just use xlib. From memory Solaris kept the MToolkit as the default longer than on Linux. It's switchable with the AWT_TOOLKIT environment variable.