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I must be missing the obvious here. I have a Maven project with a bunch of dependencies defined in my pom.xml such s Spring.
let's say I want to extend TwitterProfile. I see the class is not final but all classes appear with a lock icon.
How do I extend for instance TwitterProfile by say TwitterProfileWithCustomAttribute it would not let me.
What's going on?
Error disappeared after restarting IntelliJ :-/
The lock in the classes I guess will be related to the fact they point to ~/.m2 maven repository which is owned by root user.
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Does anyone know how to find some variables not used in Netbeans, like when I create the variable String a and I hover over that variable I get the info Variable "a" is not used?
I want to jump into that variable because in my servlet there are too many lines.
I'm not aware of any functionality that comes out of the box. But some third party tools offer you what you are searching for:
PMD (especially this rule). There's also a NetBeans plugin although I don't know if it works with the newest version of NetBeans.
SpotBugs (search for unused in the documentation to find the rules)
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I have recently join a team in an organization. they have assign me a project. now I have the project source code build in GWT and Java. I have imported the project in my eclipse. Now I can not figure out how to start looking into it as it contains so many packages and java files.
Firstly you should understand what your code does in terms of business cases, and then high-level analyze it, without spending tons of time trying to figure out why each line of code is written, and when you will get it, life will become easier
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In window Package Explorer I haven't any project(In workspace folder a have a few), I'm trying refresh view, but it's doesn't work, I dont know also how to open a whole project structure from this folder.
Create a new project called exactly the same name as a project you already have. Maybe there is an easier way to do it, but this works just fine if you don't have 625520 projects.
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I am trying to check if methods that acquire a resource also release it. What is the best tool to use to find out callers of a method in the classes in a single jar file? Can I do this with CheckStyle or FindBugs? How?
I guess I can do this using BCEL or such-like, but I have never worked with byte-code before and would take too long to do this.
Searching for "java call graph" did not find anything useful, but this seems to be a very basic functionality so I probably missed a good match. However, I would like to not have to generate the entire call graph on this very large project.
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I have created a java based project using Netbeans as an IDE. Now I want to obfuscate my project. How can this be done?
You need to use a source obfuscator.
I have used Zelix Klassmaster in the past and it is pretty good.
I have used RetroGuard and i was really happy with it. The thing I really liked was the ability to use it from my build file, so that I could deploy the project directly obfuscated.
Take a look at proguard - you can integrate it into ANT.