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How can I generate the API documentation for a certain project?
What do I need exactly? javadoc plugin? rt.jar?
Could anyone describe the whole process?
Right now, I am stucked here:
I have documented all my classes and methods with javadoc comments. When I try in Eclipse:
Project - Generate Javadoc -> Javadoc Command -> Configure -> C:\Program Files\Java\jre7\bin
and I CAN´T FIND javadoc.exe!
Is javadoc.exe included with the jre7?
Javadoc is not part of the JRE, but of the JDK.
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I am getting so much lines when I run my code before the actual compiled code.
I use Apache Netbeans 12. I am coding Java (JDK 14).
I looked it up but all the tutorials I came through don't have these extra lines.
This is what I got. Is it normal?
That's the normal output from Ant. The only option you have to influence that, is to run Ant with the -q option.
This can be done using "Tools -> Options -> Java -> Ant"
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I often see tutorials instruct us to generate both sources.jar and javadoc.jar. Some IDEs also download both jars by default. Is there any reason behind it? Why don't IDEs just download the sources.jar if it's exist since they could read the Javadocs from it?
Published javadoc contains a set of connected HTML files ready to be viewed in a browser. The processing is not trivial.
Your analogy is similar to “why publish binaries if people can just download the sources which contain the same”. (Maven is just a fancy cache for javac) and the answer is the same: to make it easier to use.
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Currently my project uses java 1.7 and we have requirement to upgrade it to 1.8.
what are the key points i have to consider before estimating the hours?
Just try to update already and see what is breaking before coming up with an estimate.
There may be no work at all.
Dependencies
Build setup
Custom JVM parameters
It might work just after an update, it might take a month. Depending on your project.
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I have just downloaded a java library. It is zip file. After extracting I have found that it consists of jar files. Now what am I supposed to do with it? Where do I copy these files so that I can access them from the java code.
The is an excellent answer to that in a related question.
Basically you tell the compiler and/or the runtime explicitly where the jars are.
Good luck!
Actually, you can extract your libraries where ever you want, but I you have to pass their path as an arguments to the java and javac commands in order to compile and to run your application
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How can I use JavaCV effectively?
It would be highly helpful if any one can help me out with sample codes which explains how to use the ObjectFinder class in JavaCV.
I had no problems with running JavaCV with NetBeans recently.
Just be sure to add all essential jar's to project and also platform binnaries (32/64 bit, unix/win etc.). Those runtime libraries are in javacv-0.6-cppjars.zip.
http://code.google.com/p/javacv/downloads/list