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Tutorial
8

Step 5: Add a JSP Page

In this step we will add the JSP that generates the guestbook page output: Open the [New JSP File] dialog box by right clicking the WebContent node (in the [Package Explorer] window), selecting New ... that case sensitive class name. Click Finish to create the new JSP file. Now replace the content of the new
Tutorial
8

Step 5: Add a JSP Page

In this step we will add the JSP that generates the guestbook HTML output: Open the [New JSP File ... ) and selecting New > JSP... Enter guest as the jsp file name - use exactly that case sensitive class ... Finish to create the new JSP file. Now replace the content of the new jsp file with the following
JDO Doc
7

javax.jdo.PersistenceManager

of instances to evict Since: JDO 2.1 void flush() Flushes all dirty, new, and deleted instances to the data store. Flushes all dirty, new, and deleted instances to the data store. It has no effect ... , create and populate a new FetchGroup from the existing definition in the PersistenceManager or
Manual
7

FROM clause (JPQL / Criteria API)

, NEW, NOT, NULL, NULLIF, OBJECT, OF, OR, ORDER, OUTER, POSITION, SELECT, SET, SIZE, SOME, SQRT ... of that method. Every time the from method is invoked - a new variable is added to the query. Criteria ... various forms of the join method. Every invocation of join adds a new JOIN variable to the query
Manual
7

Database Connection using JPA

> properties = new HashMap();   properties.put("javax.persistence.jdbc.user", "admin ... yet exist a new database file is created. When the application is finished using ... name and password have to specified: Map properties = new HashMap
Tutorial
7

Step 4: Create an ObjectDB Data Set

the [New Data Set] dialog box by right clicking the Data Sets node in the [Data Explorer] window and selecting New Data Set. Select the data source that was created in the previous step (e.g. ObjectDB ... and paste to enter the above query and click Finish. When the data set is created successfully - a new
Tutorial
7

Step 6: Set the Spring XML

with the following new content: New > Other... > XML > XML ... the content of the spring-servlet.xml file with the following new content:
Manual
7

Literals in JPQL and Criteria Queries

.literal("JPA"); // Date and Time literals: Expression today = cb.literal(new java.sql.Date()); Expression time = cb.literal(new java.sql.Time()); Expression now = cb.literal(new java.sql.Timestamp()); // Enum literal: Expression
Manual
7

Auto Generated Values

a primary key for every new entity object. These generated values are unique at the database level ... also generates an automatic value during commit for every new entity object. The difference is that a separate ... and IDENTITY, the SEQUENCE strategy generates an automatic value as soon as a new entity object
Manual
7

JPA Persistable Types

, date2 and date3 above may be initialized as new Date(), i.e. with both date and time. Their time ... an exiting database. New enum fields can be added safely only at the end (with new higher ordinal