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How to insert(save) 2 entities with Bidirectional relationship in Spring Boot Controller?

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Hi experts,

I am stuck at how to handle 2 entities(models) in the Controller of a Spring Boot web app.

This is my attempt so far :

I have googled but just can't find something relevant.

Hope someone can tell me the right way to do it.

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first of all you capitalized a variable name which is a nono. Also, you don't have to use modelAttribute. If you  just name the properties in the html form after the properties of two different models then spring will automatically make them and insert them in the method parameters.

not sure how I would do two model attributes.
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I have answered your similar question in your another post.
Try and let us know if that works out.
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