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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
Hello! I have a MacBook and a XCode installed ( latest version from App World for Mac ), but when I write a programm and click "Run", I have an empty window without the text. What's the problem. I tried more code examples.
MacBook, Mac OS X (10.7.5), Windows 8
What program, what code? Are there any entries in the debug console?
It's a simple programm, that does calculate the sum of two numbers and display the result on the screen.
The code:
How can you see - there is no data in the console.
And this is the programm window:
Your code won't be run at all unless you save it, but it looks like you are putting code for a command line tool into a Cocoa application project.
When I try tu put in a CLT, I have 5 issues. When I create the project in a CLT, there I can choose the language, but there is no Objective-C, and I choose C. What do I do?
Try using Foundation as the type when creating your Command Line Tool project.
Excuse me for idiot question, but when I can find where to select the type? When I create the project, there is no "Foundation" in the left part of the window.
Create a new Command Line Tool project, then from the Type popup menu (which also has C and C++) select Foundation.
Thank you very much!
The program does not run
