Error "The SDK is not specified for module ... | Project SDK is not defined ..." in IntelliJ IDEA

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Error "The SDK is not specified for module ... | Project SDK is not defined ..." in IntelliJ IDEA | Java

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Error "The SDK is not specified for module ... | Project SDK is not defined ..." in IntelliJ IDEA | Java

last updated: 14 December 2024

I click on Build → Build Project

And I see an error: The SDK is not specified for module

At the bottom, next to the hammer, I click on Configure and in the new window SDK is not selected:

Decision

Select JDK.
If you don't have it, then need to download and install Java JDK ...

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