Update StudentController.java - #1
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1- Why not using @Autowired ? 2- Spring Data JPA has the save() method which does both inserting and updating depending on the context; if the entity has the id(primary_key), then it will perform an update, otherwise it will save it as a new item.
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1- Why not using @Autowired ?
2- Spring Data JPA has the save() method which does both inserting and updating depending on the context; if the entity has the id(primary_key), then it will perform an update, otherwise it will save it as a new item.