1 | Retrieving JPA Entity Objects. Given an EntityManager em, the following code fragment demonstrates the retrieval of an Employee |
1 | ObjectDB - Object Database for Java (JPA/JDO) database code using Java classes and objects! Try an ObjectDB / JPA tutorial now... Protect |
1 | Defining a JPA Entity Class Entity Classes Storing an entity object in the database does not store methods and code |
1 | Logical Operators in JPQL and Criteria API)); In the above code non Predicate boolean expressions are converted to Predicate instances using |
0 | NetBeans/JPA Java EE Tutorial slightly different but the code would be the same). Note: ObjectDB 2.3.7_04 or later is required |
0 | Step 2: Define a JPA Entity Class the new class. Copy and paste the following code into the newly created Point class: package tutorial |
0 | Step 4: Add a Servlet Class of the new source file with the following code: package guest; import java.io.IOException; import |
0 | Step 3: Define a Spring DAO Component the content of the new source file with the following code: package guest; import java.util.List |
0 | Getting Started with JPA and NetBeans might look slightly different but the code would be the same). This tutorial consists of the following steps: |
0 | Which API should I use - JPA or JDO? code. When to prefer JDO JDO might be preferred when portability to other object databases |
