What should I do if idea cannot find or load the main class?
What should I do if the main class cannot be found or cannot be loaded?
The main class cannot be found or cannot be loaded because the correct Class path
The solution is as follows:
1. Click on the red circle above, then click Edit Configuration to enter the setting interface below.
2. Switch to the interface below
3. The red × disappears and the operation is normal. The screenshot is as follows
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