fix javadoc examples for @Array and @Struct

hibernate-core/src/main/java/org/hibernate/annotations/Array.java

@@ -17,14 +17,21 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
 
 /**
  * Specifies the maximum length of a SQL array type mapped by
- * the annotated attribute. For example:
+ * the annotated attribute.
+ * <p>
+ * For example:
  * <pre>
- *
+ * {@code @Array(length=100)} // the maximum length of the SQL array
+ * {@code @Column(length=64)} // the maximum length of the strings in the array
+ * String[] strings;
  * </pre>
  */
 @Incubating
 @Target({FIELD, METHOD})
 @Retention( RUNTIME )
 public @interface Array {
+	/**
+	 * The maximum length of the array.
+	 */
 	int length();
 }

hibernate-core/src/main/java/org/hibernate/annotations/Struct.java

@@ -23,14 +23,15 @@ import static java.lang.annotation.RetentionPolicy.RUNTIME;
  * This annotation may be applied to an embeddable class:
  * <pre>
  * {@code @Embeddable}
- * {@code Struct(name = "CUST")}
+ * {@code @Struct(name = "CUST")}
  * public class Customer { ... }
  * </pre>
+ * <p>
  * Alternatively, it may be applied to an embedded attribute:
  * <pre>
  * public class Order {
- *     {@code Embedded}
- *     {@code Struct(name = "CUST")}
+ *     {@code @Embedded}
+ *     {@code @Struct(name = "CUST")}
  *     private Customer customer;
  * }
  * </pre>