BAEL-2097 fix

hibernate5/src/main/java/com/baeldung/hibernate/joincolumn/Address.Java

@@ -7,7 +7,7 @@ import javax.persistence.GenerationType;
 import javax.persistence.Id;
 
 @Entity
-class Address {
+public class Address {
 
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)

hibernate5/src/main/java/com/baeldung/hibernate/joincolumn/Email.java

@@ -9,7 +9,7 @@ import javax.persistence.JoinColumn;
 import javax.persistence.ManyToOne;
 
 @Entity
-class Email {
+public class Email {
 
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)

hibernate5/src/main/java/com/baeldung/hibernate/joincolumn/Employee.java

@@ -9,7 +9,7 @@ import javax.persistence.Id;
 import javax.persistence.OneToMany;
 
 @Entity
-class Employee {
+public class Employee {
 
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)

hibernate5/src/main/java/com/baeldung/hibernate/joincolumn/Office.java

@@ -10,7 +10,7 @@ import javax.persistence.JoinColumns;
 import javax.persistence.ManyToOne;
 
 @Entity
-class Office {
+public class Office {
 
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)