MS Lesson11: Entity relations
1. One to One relationship package guru.springframework.cruddemo.entity; import jakarta.persistence. Entity ; import jakarta.persistence. GeneratedValue ; import jakarta.persistence.GenerationType; import jakarta.persistence. Id ; import jakarta.persistence. OneToOne ; import lombok. Getter ; import lombok. RequiredArgsConstructor ; import lombok. Setter ; import lombok. ToString ; import org.hibernate.proxy.HibernateProxy; import java.util.Objects; @Getter @Setter @Entity @ToString @RequiredArgsConstructor public class Student { @Id @GeneratedValue (strategy = GenerationType. IDENTITY ) private Long id ; private String name ; private String surname ; private String pin ; private Integer age ; @OneToOne (mappedBy = "student" ) private Profile profile ; @Override public final boolean equals (Object o) { if ( this == o) return true ; if (o == null ) return false ; Class<?> oEffectiveClass = o instanceof H...