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IntellijIDEA FAQ Home Page

FAQ Manager is guru Eugene Belyaev PREMIUM.

IntelliJ IDEA is a full-featured Java IDE with advanced code-editing and refactoring support.

What's New

How do I get IntelliJ to generate serialVersionUID for me?
Tools:IDE:IDEA
John Zukowski PREMIUM, Jun 27, 2007
You can add an inspection warning that will then offer a prompt to generate. You can find the option several layers deep under Settings. Settings ->...

Mouse wheel handling Is it possible to enable mouse wheel handling with IDEA 2.5 under windows ? I known that jdk 1.3 does not handle mouse wheel, but since I've seen a mousewheel.dll file in the idea/bin...
Tools:IDE:IDEA
Ann Oreshnikova, Dec 15, 2001
Mouse-wheel in IDEA works only on Windows NT/2000/XP. It is not supported for Windows 9x.

What is refactoring ? IDEA's feature list mentions 'refactoring'. What is it and where can I learn more about it ?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 28, 2001
"Refactoring is the process of changing a software system in such a way that it does not alter the external behavior of the code yet improves its internal...

Is there a way to see all files in the Project view ? Our project has .gif, jpeg, .pdf, and other file types but they are not shown in the Project view. Can I instruct IDEA to show all file types ?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 22, 2001
Next version will support it. Currently, there is no way to let IDEA show binary files in the project views.

How can I change the order of the views on the left margin ? How can I change the order of the view names displayed in the left margin (Project, Structure, Source, etc) ?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 22, 2001
This is currently not possible. The next version of IDEA will provide a more flexible window configuration functionality.

How to upgrade IDEA ? I have IDEA install on my system and I want to upgrade to a newer version while preserving my setup. What is the best way to do so ?
Tools:IDE:IDEA
Chris Bartley, Nov 21, 2001
Assuming your current IDEA installation is at c:\idea, rename it c:\idea.old Install the new IDEA to c:\idea Copy c:\idea.old\bin\idea.license to ...

Associate file types How can I associate .java or .jsp (or whatever) file types with IDEA in Windows?
Tools:IDE:IDEA
Ann Oreshnikova, Nov 15, 2001
It is not possible to associate *.java or *.jsp files in Windows so that they are automatically opened in IDEA, since IDEA is not just a java-file editor,...

Running external tools that contains pipes ? I want to define an external tool that contains a pipe (e.g. 'find . | fgrep .java'). How do I do that ? I am running on Windows.
Tools:IDE:IDEA
Ann Oreshnikova, Nov 8, 2001
In the Edit Tool dialog, define the following values in the Program and Parameters text fields (the example below uses the parameter referred in the q...

What is the Commander for?
Tools:IDE:IDEA
Ann Oreshnikova, Nov 8, 2001
The two-panel Commander paradigm is a way of representing a hierarchy which provides the following benefits when working with the project elements:1. In...

Can I run Tomcat under IDEA ? We are developing web applications using Jakarta Tomcat. Can we run Tomcat under IDEA ? If so, how ?
Tools:IDE:IDEA
Glen Stampoultzis, Nov 7, 2001
One way is to define the environment variable TOMCAT_OPTS, setting it equal to "-Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,s...

What is the difference between the Project view and the Source view? What directories should I add to the Project view and which ones to the Source view?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 6, 2001
If your project contains Java source files, then you should add root directories corresponding to the default (unnamed) packages containing those files...

How can I avoid the second IDEA icon? While running IDEA on Windows, I see an additional IDEA icon in the task bar. How can I get rid of it?
Tools:IDE:IDEA
Ann Oreshnikova, Nov 6, 2001
To avoid the console window when running IDEA, make the following change in the idea.bat file: instead of using java.exe, use javaw.exe. Please note that...

Does IDEA support Java 1.4 (as IDEA JVM and as target JVM) ?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 6, 2001
As of today, IDEA supports JDK 1.4 as a target JDK for your projects. It does not work well with 1.4 being its own JDK yet. It is planned for the next...

How/when does Idea save edited files?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 5, 2001
IDEA saves files when you explicitly call File | Save All (or Ctrl-S). Also, it automatically saves all modified files when you switch to other appli...

I do not want to see *.class files in project views. How can I make them invisible?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 5, 2001
To avoid class files in project views, you should not add the output path to the classpath manually, since it is already considered by IDEA automatically....

I'm trying to run IDEA under Linux and get the segmentation fault. How can I solve this problem?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 5, 2001
This problem is described in the "KnownIssues.txt" file distributed with IDEA. This is a known issue of the Sun's JDK 1.3.1. To solve the problem, please...

What's the current version of IDEA?
Tools:IDE:IDEA
Eugene Belyaev PREMIUM, Nov 4, 2001
IDEA 2.5.2 is the currently available released version. IDEA 2.6 will support JDK 1.4 as a target development JDK (IDEA still requires JDK 1.3 to r...

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