Question
How do you implement one to many relationships in Hibernate
Answers
- For one to many relationships we can consider the example Author and Books (i.e. one Author can have written many books).
- Below code will help you to understand how you can implement one to many relationship in hibernate.
File: Author.javapackage com.test.one.to.many;java.util.Set;public class Author implements java.io.Serializable{   private Integer authorId;   private String authorName;   private Set books;   // getter and setter}
File: Book.javapackage com.test.one.to.many;public class Book implements java.io.Serializable{   private Author author;   private Integer bookId;   private String bookName;   // getter and setter}File: Author.hbm.xmlFile: Book.hbm.xmlFile: hibernate.cfg.xml com.mysql.jdbc.Driverjdbc:mysql://localhost:3306/mytestdbrootpasswordorg.hibernate.dialect.MySQLDialecttruetrue   Your Comment




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