def b = Book.get(1)get
Purpose
Retrieves an instance of the domain class for the specified id. null is returned if the row with the specified id doesn’t exist.
Examples
Description
Parameters:
- 
id- The id of the object to retrieve
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                (Quick Reference)
                
                 getPurposeRetrieves an instance of the domain class for the specified id.  ExamplesDescriptionParameters: 
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