The Java Database Connectivity (JDBC) API is used to access a SQL database from a Java application. JDBC also supports tabular data sources, such as a spreadsheet. Oracle JDeveloper is a free Integrated Development Environment (IDE) for modeling, developing, debugging, optimizing, and deploying Java applications. JDeveloper 10g is used to develop J2EE applications comprising the JSPs, …
Archives for 2008
Benefits of using Web Services
Benefits of using Web Services Exposing the function on to network: A Web service is a unit of managed code that can be remotely invoked using HTTP, that is, it can be activated using HTTP requests. So, Web Services allows you to expose the functionality of your existing code over the network. Once it is …
Call Java Oracle Functions From Java program
Call Java Oracle Functions From Java program Beginning with version 8i, the Oracle database includes a fully functional Java Virtual Machine, Oracle JVM. Out of this close relationship between Oracle and Java emerges an important technology for Oracle developers: Java stored procedures. With Java stored procedures, developers have the ability to harness the power of …
Writing simple ANT build script
Apache Ant Example This article explains how to write a very basic ANT build script. This does not explain indepth knowledge on building your project using ANT script. But, this writeup will be more useful for the beginners who haben’t writen any ANT script before. Before start writing the script, lets look into how to …
Basic steps to configure Log4j using xml and properties file
This example demonstrated how to configure Log4j setup using the Properties file and XML file. These are the two most widely used techniques for configuring the Log4j for your application. But, in the recent days configuring with properties files are considered to be old technique and recommended using XML. This example program uses simple standalone …
How to implement ActionListener (f:actionListener) in JSF?
Introduction This article explains how to implement the ActionListener class in the JSF core tag library. also read: Introduction to JSF JSF Interview Questions Request Processing Lifecycle phases in JSF An ActionListener is an event handler interface for a class that can respond to user events in your JSF page. The body content of this …
Entity Beans in EJB(BMP)
ENTITY BEAN WITHBEAN-MANAGED PERSISTENCE Thus far, we acquainted ourselves with Sessionbeans ( both stateless & stateful) and also CMP Entity bean. also read: Java EE Tutorials EJB Interview Questions EJB 3 Web Services Annotation and Dependency Injection in EJB 3 Query API in EJB 3 In this instalment, we take up the most difficult type, …
Entity Beans in EJB(CMP)
Entity beans are characterized by the following 3 features. They are 'Persistent'. ( they are stored inhard-disk) They are shared by many clients. They have ,'Primary key'. also read: Java EE Tutorials EJB Interview Questions EJB 3 Web Services Annotation and Dependency Injection in EJB 3 Query API in EJB 3 As already mentioned ,Entity …