Use Java 8 Optional In Entities And Queries
Description: This application is an example of how is correct to use the Java 8 Optional in entities and queries.
Key points:
- use the Spring Data built-in query-methods that return
Optional(e.g.,findById()) - write your own queries that return
Optional - use
Optionalin entities getters - in order to run different scenarios check the file,
data-mysql.sql
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