DTO Via JDK14 Records, JdbcTemplate And ResultSetExtractor
Description: Fetching more data than needed is prone to performance penalities. Using DTO allows us to extract only the needed data. In this application we rely on JDK14 Records feature, JdbcTemplate and ResultSetExtractor.
From Openjdk JEP359:
Records provide a compact syntax for declaring classes which are transparent holders for shallowly immutable data.
Key points:
- define the Java Records as
AuthorDtoandBookDto - use
JdbcTemplateandResultSetExtractor
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