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intellij has placed what look like no entry signs over my java files (red circles with a line through) searched around but cannot find why? Would anyone know please.
It's a maven project if that makes a difference
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A symbol is a semantic element in some model, e.g., language or framework model. The IntelliJ Platform uses Symbol to represent symbols, and Symbol serves as a link between Platform APIs, such as navigation, finding usages, or renaming.
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In the same menu as the picture above 1 Click main toolbar then toolbar run actions. 2 At the "Toolbar Run Actions" leve, click the + button and "add action". 3 In the new popup, choose the "main menu" folder then the "run" folder. 4 Click on the "Run" icon and click ok.
It means those files aren't part of the project settings. How did you create that project?
I'm not sure which version of IntelliJ you're using - I run 9.0.1. I'd recommend opening the project structure (icon to the right of the "wrench" or Ctrl+Alt+Shift+S), click on "Modules", and designate the directory where the .java files are located as a source directory (it'll change to a blue color).
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