JDBC is for database processing which JMS is the messaging service app. EJB runs with Netbeansand Eclipse platformfor running Java programs. The packages are present along with the technologies in which they are used. JNDI is also used with the LDAP service provider. There are a series of c...
In addition, you do not have to provide management for the primary key (see "What is a Primary Key of an Entity Bean With Container-Managed Persistence?"): the container provides this key for the bean. For more information, see the following: "Implementing an EJB 2.1 Entity Bean With ...
What is JavaServer faces in Java JavaServer Faces, commonly known as JSF, is an Oracle-developed component-based UI framework utilized for constructing user interfaces in Java-based applications. It adheres to the Model-View-Controller (MVC) design pattern. When using JSF, the application’s ar...
An application that is distributed in nature, such as banking applications, etc. is called enterprise application. It has advantages of the high-level security, load balancing, and clustering. In Java, EJB is used for creating enterprise applications. 具有分布式性质的应用,如银行应用等,称为企业应用。
and runtime environment that is used for developing and running large-scale, multi-tiered, reliable, scalable and secure network applications. All the java web and enterprise applications are developed using this platform. Technologies likeservlet, jsp, struts, JPA, EJBetc are part of this ...
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What is Java? In this article, we explore the history of Java, its key features and benefits, and real-world examples of its applications.
Is it bad to catch exception? catch(Exception) isa bad practicebecause it catches all RuntimeException (unchecked exception) too. This may be java specific: Sometimes you will need to call methods that throw checked exceptions. If this is in your EJB / business logic layer you have 2 choice...
32.1 What Is an Enterprise Bean? Written in the Java programming language, an enterprise bean is a server-side component that encapsulates the business logic of an application. The business logic is the code that fulfills the purpose of the application. In an inventory control application, for ...
The OSGi approach to developing and deploying modular software in Java offers an interesting alternative to standard runtimes and frameworks, especially for mobile and IoT applications