Quick Answer: What Are The Four Components Of J2ee Application?

What are the types of j2ee clients?

J2EE ClientsJ2EE Clients.Types of J2EE Clients.Servicing Stand-alone Java Client Applications.Servicing EJB Clients from Other J2EE/EJB Servers.Servicing CORBA clients from CORBA Object Request Brokers.Servicing Legacy System Clients (ERP/CRM/Mainframes)Servicing JMS Clients.Servicing Windows/.Net Clients.More items…•.

What are j2ee concepts?

J2EE (Java 2 Platform Enterprise Edition) is a platform-independent environment used for configuring web-based enterprise applications. … It creates multi-tiered applications, large scale, reliable, and secure network applications.

What does Java EE stand for?

Java Platform, Enterprise Edition(Java Platform, Enterprise Edition) An application software platform from Oracle based on the Java programming language. Originally developed by Sun, which Oracle acquired in 2010, Java EE services are performed in the middle tier between the user’s machine and the enterprise’s databases and legacy information systems.

What is JSP life cycle?

A JSP life cycle is defined as the process from its creation till the destruction. This is similar to a servlet life cycle with an additional step which is required to compile a JSP into servlet.

What is JSP in j2ee?

Jakarta Server Pages (JSP; formerly JavaServer Pages) is a collection of technologies that helps software developers create dynamically generated web pages based on HTML, XML, SOAP, or other document types. Released in 1999 by Sun Microsystems, JSP is similar to PHP and ASP, but uses the Java programming language.

Which of the following is a business component in j2ee?

Web and business tier components, such as Java servlets and Java server pages (JSP), run on a J2EE server. The EIS tier component runs on the EIS server. J2EE component features are different from standard Java program features, as follows: They are different parts that must be assembled into a J2EE application.

Which of the following act as an interface between a component and the low level platform?

Containers are the interface between a component and the low-level, platform-specific functionality that supports the component. Before it can be executed, a web, enterprise bean, or application client component must be assembled into a Java EE module and deployed into its container.

What are the components of j2ee applications?

J2EE applications are made up of components such as JavaServer Pages (JSP), Java servlets, and Enterprise JavaBeans (EJB) modules. These components enable software developers to build large-scale, distributed applications.

What are the four types of j2ee modules?

The four types of J2EE modules are as follows:EJB modules, which contain class files for enterprise beans and an EJB deployment descriptor. … Web modules, which contain servlet class files, JSP files, supporting class files, GIF and HTML files, and a web application deployment descriptor.More items…

Is JDBC part of j2ee?

Java Database Connectivity (JDBC) is an application programming interface (API) for the programming language Java, which defines how a client may access a database. … It is part of the Java Standard Edition platform, from Oracle Corporation.

What is j2ee architecture?

J2EE Architecture is made up of three tier, such as the client tier that is used as an interactive medium for the end user or the client & consists of web clients and application clients, the middle tier that is used for defining logical functioning units & consist of web components and EJB components, and the …

What is full form of j2ee?

Jakarta EE, formerly Java Platform, Enterprise Edition (Java EE) and Java 2 Platform, Enterprise Edition (J2EE) is a set of specifications, extending Java SE 8 with specifications for enterprise features such as distributed computing and web services.

What is tier in j2ee?

J2EE middleware defines a set of four independent tiers, over which applications can be built: Client tier. Presentation logic tier. Business logic tier. Enterprise information systems tier.

What are the core Java concepts?

Top 10 Core Java ConceptsDRY & Abstraction.Polymorphism.Encapsulation.Delegation.Program to an interface, not an implementation.Single Responsibility Principle.Open Closed Principle.Interface Segregation Principle.More items…•


The Java Database Connectivity (JDBC) API provides universal data access from the Java programming language. Using the JDBC API, you can access virtually any data source, from relational databases to spreadsheets and flat files.

What is API in Java?

API stands for application programming interface, a concept that applies everywhere from command-line tools to enterprise Java code to Ruby on Rails web apps. An API is a way to programmatically interact with a separate software component or resource.

Is Core Java and j2ee same?

Core Java is used for developing a desktop based application while J2ee is used for Enterprise development. Core java is a programming language used to develop general java application whereas J2ee is a computing platform which consists of core java with a powerful set of libraries.

What is j2ee exam?

About J2EE Assessment Test Java Platform, Enterprise Edition (Java EE) is the standard in community-driven enterprise software. Java EE offers a rich enterprise software platform. J2EE assessment test helps recruiters and hiring managers to assess the candidate’s ability to develop web applications on the JEE platform.