Three ways to create query in Hibernate

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Create Query in Hibernate To create query in the Hibernate ORM framework, there is three different types. The following are the three ways to create query instance: session.createQuery() session.createSQLQuery() session.createCriteria() We will look into the details of each category in detail. also read: Introduction to Hibernate Hibernate Interview Questions Interceptors in Hibernate Hibernate Books session.createQuery() […]

How to use Initialization callback methods while creating Spring bean?

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Initialization callback methods Springframework provides flexibility to initialize its Beans using the user defined methods. There is some scenario where application developer want to initialize the beans properties after setting all the values. The following example program demonstrates by defining a custom method to initialize the calues. Spring’s managed bean has to implement InitializingBean from […]

StringBuilder class in Java 5.0

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java.lang.StringBuilder StringBuilder class is introduced in Java 5.0 version. This class is replacement for the existing StringBuffer class. If you look into the operations of the both the classes, there is no difference. also read: New Features in Java 5.0 Generics in Java 5.0 Annotations in Java 5.0 If you are using StringBuilder, no guarantee […]

Writing simple ANT build script

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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 […]

Implement Internationalization and Localization in JSF

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Internationalization and Localization are important features for an web based application. Internationalization is implementing the features in your application to support multiple languages. Localization is creating text in a specific language that is presented through an internationalized application also read: Introduction to JSF JSF Interview Questions Request Processing Lifecycle phases in JSF The following example […]

Chain Of Responsibility Pattern In Java

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Chain Of Responsibility Pattern Overview: A method called in one class will move up a class hierarchy until a method is found that can properly handle the call.It consists of a source of command objects and a series of processing objects.Each processing object contains a set of logic that describes the types of command objects […]

EJB 3.0 and WebServices

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This article discusses how an enterprise bean can act as a Web-Service component. Since Web-Services itself is a vast technology, the first part of the article discusses more about Web-Services. Specifically, the first part of the article discusses what Web-Services are, its unique features among other related technologies, its architecture, and the various base components […]

Comparing Objects in Java

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Comparing Objects in Java In Java comparing two value object is not straight forward. Here we will see how we can compare two value objects in Java. For that first we will create a value object called “MyValueObject”. This value object contains two properties. firstName lastName. Both the properties are of type string. also read: […]

How to use datasource in Hibernate application?

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This article explains how to configure datasource in the JBoss application server and how to use the same datasource in the hibernate configuration file.Before looking into the hibernate configuration, we will start with creating datasource inside JBoss application server. also read: WebLogic Interview Questions JBoss Portal Server Development Tomcat Interview Questions Create MySql datasource in […]

Hibernate Criteria Query API / HQL Example

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Hibernate Criteria Example Criteria APIs in the hibernate framework is useful for creating the dynamic query to execute.It is an alternative way to write the queries without using HQL. The queries are generated at runtime and excuted on the fly. Application developer need not worry about writing the query in hand, he/she just need to […]