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Top 5 Books and Courses to learn RESTful Web Service ( books). 20 Spring Boot Interview Questions for Java Programmers ( questions). 5 courses to learn Spring Boot and Spring Cloud ( courses). 10 Things Java Developer should learn ( goals). Other Java and Spring articles you may like Can we perform actual tasks like access, persist, and manage data with JPA?Īnswer: No, we can't because JPA is only a Java specification. For example, findByLastName().Īnswer: Interface is not a class because it does not contain concrete methods. "find", followed by the name of the variable. The finder method should use a special keyword, i.e. What is the naming convention for finder methods in the Spring data repository interface?Īnswer: This is another key feature of Spring Data JPA API which makes writing query method really easy. It takes the domain class to manage as well as the id type of the domain class as Type Arguments.Ĥ. This is also the key abstraction that is provided using the Repository interface. Moreover, it decreases the chance of errors significantly. It helps in reducing a lot of boilerplate code. What is the Spring data repository? ( answer)Īnswer: Spring data repository is a very important feature of JPA. Annotation in JPA reduces the cost of creating a definition file.ģ. JPA reduces the burden of interacting with databases.
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