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Session Bean: is a non-persistent object that provides some business logic running on the server. Session beans do not provide system break down. There are two kinds of session beans
1. Stateless session beans
2. Stateful session beans
Entity Bean: is a persistent object that presents object views of the data, generally a row in a database. They have the primary key as a unique key identifier. Multiple EJB clients can give each entity bean. Entity beans may provide system shutdowns. Entity beans can have two kinds of persistence
1. Container-Managed Persistence (CMP) - The container is responsible for providing the bean's state.
2. Bean-Managed Persistence (BMP) - The entity bean is responsible for giving its own state.
Message-driven Bean: is added with the Java Message Service (JMS) to give the ability to react as a message consumer and perform asynchronous processing between the message producer and the server.
Explain Multiple Initializers and Incrementers ? Sometimes it's essential to initialize several variables before starting a for loop. Similarly you may need to increment more t
Define enumeration? Enumeration is explained as values type that having of a set of named values. These values are constants and are called enumerators. An enumeration type is
GUI-Based Application Objectives: (1) Learning how to write a GUI-based application in Java. (2) Learning how to write an event driven application program in Java.
PS1 emulator for android There is an open source app known as psx4droid i want a developer to solve problems and bugs and doing performance improvement to source code to running
Describe Invoking Methods in java? class Car { String licensePlate = ""; // e.g. "New York 543 A23" double speed = 0.0; // in kilometers per hour double maxS
This program will help you start doing GUI programming, and is a good example of 2D arrays. Mine Sweeper is a classic game that is played on a 2D grid of cells. At the beginning of
The following set of short questions will focus on getting you familiar with JavaScript functions. All functions and testing should appear in a single XHTML 1.0 Strict page. All
1. Make a class Rational to provide at least following methos and constructors: Rational r1= new Rational (3,5); Rational r2= new Rational (4,7); Rational r3=r1.add(r2);
1. In this lab assignment we will be using the vim or emacs editor in addition to the commands we have already learned. Open a shell terminal and create a file named in your home d
What is asynchronous messaging? Queue Ans) Asynchronous messaging includes a client that does not wait for a message from the server. An event is used to trigger a message from
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