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Asked: 2026-05-23T12:27:51+00:00

I need to make a GUI Application for my class , so I want

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I need to make a GUI Application for my class , so I want to make sure I can transfer a netbeans project using the GUI Builder (I know how to make it without it, but that’s more time consuming and I think it would look neater without me guessing coordinates etc. and I was use to the netbeans GUI builder) from netbeans onto unix and compile it. So here’s what I did I made a new JFrame form (using netbeans GUI Builder) called StartFrame.java and another called MenuFrame.java. (keep in mind that it ran with no errors in netbeans) StartFrame creates a new instance of MenuFrame and opens it on it’s first run. So I transferred all of it onto the unix system. So at first I tried compiling it, but of course it got errors, saying that org.jdesktop… isn’t found.
Okay so I’ve already searched stackoverflow and the web for this. So I ended up getting the swing-layout-1.0.4.jar from the libraries in netbeans.
I’m kind of new at compiling from command line, but I put them all in the same folder, and while I was in that directory.
I did 

javac StartFrame.java -cp swing-layout-1.0.4.jar

and I got the error that NoClassDefFoundException: MenuFrame even though it is in the same folder. So then I tried

javac StartFrame.java MenuFrame.java -cp swing-layout-1.0.4.jar

and it compiled fine with no errors. So then It created 6 files StartFrame.class StartFrame$1.class StartFrame$2.class StartFrame$3.class StartFrame$4.class MenuFrame.class
I tried running it with 

java -cp swing-layout-1.0.4.jar StartFrame

and it had a NoClassDefFoundException: StartFrame. I searched the web for fixes for this and stack overflow and found similar (not exact though) problems like this, but none of those fixed it.

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1 Answer

  1. Editorial Team

    The file dist/README.TXT will tell you how to proceed. Type ant -p at the command line to see that available commands: ant run is usually good.

    Addendum:

    The machine doesn’t have ant installed

    That would be unusual, so you should certainly verify it. You may need to add the current directory to the path, e.g.

    java -cp .:swing-layout-1.0.4.jar StartFrame
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