A Closer Look at Entity Beans

As we look at an entity, you will see that it is an object-oriented representation of the data contained within a data source. This important feature allows you as a developer to easily represent data in a relational data source as an object within Java. Ultimately, Java requires data to be represented within an object footprint, and this makes the process simple.

It is important for you to understand that entity beans are a single representation of data, whereas a session bean can have multiple instances of the bean representing data. This implies an important difference between entity beans and session beans: The life span of a session bean is dependent on the life span of the client, whereas the life span of ...

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