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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.
GOALS 1. Use abstract classes in the correct programming context. 2. Evaluate and use a variety of data structures. 3. Design, evaluate and implement efficient alg
JMS consumer is a JMS client that receives messages.
Create a class HourlyWorker mind: particularHourlyWorker employee. • Declare two data members named wage and hours of double type with private access. • Implement a parameterized c
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What is the output of the following JavaScript code? name="Ali Akbar"; document.write(name.charAt(4)) ;
programming challenges
The "http protocol" is a stateless response or request based protocol. You may contain the state information between different page requests as given below: HTTP Sessions are
Where the local varible declared? Declaring variables within a function, makes them local .They are available only within that function and hold no meaning outside of it
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