1 files changed, 6 insertions, 5 deletions
diff --git a/src/jpa/Product.java b/src/jpa/Product.java
index 92ec695..7a8f0c4 100644
--- a/src/jpa/Product.java
+++ b/src/jpa/Product.java
@@ -2,7 +2,7 @@ package jpa;
 
 import java.io.Serializable;
 import java.math.BigDecimal;
-import java.util.Set;
+import java.util.Collection;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
@@ -26,7 +26,8 @@ public class Product implements Serializable
 {
    private static final long serialVersionUID = 1L;
 
-   @Id @GeneratedValue(strategy=GenerationType.IDENTITY)
+   @Id
+   @GeneratedValue(strategy = GenerationType.IDENTITY)
    private int id;
 
    @Lob
@@ -45,7 +46,7 @@ public class Product implements Serializable
    @JoinTable(name = "product_category", joinColumns = {
          @JoinColumn(name = "product_id") }, inverseJoinColumns = {
                @JoinColumn(name = "category_id") })
-   private Set<Category> categories;
+   private Collection<Category> categories;
 
    public Product()
    {
@@ -111,12 +112,12 @@ public class Product implements Serializable
       this.width = width;
    }
 
-   public Set<Category> getCategories()
+   public Collection<Category> getCategories()
    {
       return this.categories;
    }
 
-   public void setCategories(Set<Category> categories)
+   public void setCategories(Collection<Category> categories)
    {
       this.categories = categories;
    }