12. CommentDao and CommentDaoImplementation methods in Hindi
In this lecture, we have discussed the CommentDao, ReplyDao CommentDaoImplementations and ReplyDaoImplementations and all the methods of the CommentDao accessed from the MainController.
DAO: Data Access Object
DAO helps us to communicate with the database to data manipulate from an entity. Each entity is having its Dao. And It consists of crud operations of an entity.
CrudOperations: Insertion, Updation, Deletion, Selection.
DaoImplementations are the implementations of the individual Daos. All the method implementations go here.
Note: ServiceImplementations are annotated by @Service annotation and DaoImplementations are annotated by @Repositoy annotation.
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do{
subscribe();
} while(!subscribed);
do{
like();
}while(!liked);
do{
comments();
}while(1);