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Business Objects represent the data client. They are the objects that need access to the datasource to obtain and store data. Data Access Objects abstract the relying data access implementation for the business objects to enable transparent access to the datasource. The business objects also handle data store and load operations to the Data Access Objects. A DataSource shows a database such as a XML repository, relational database, flat file, mainframe system etc. Data Domain Objects or Transfer Objects transfer data between data access objects and client.
A typical DAO defined has the following components:
Describe methods of Basic Applet Life Cycle ? All applets have the subsequent four methods: public void init(); public void start(); public void stop(); public void destroy();
A proxy is an object that is formed after applying advice to a target object. When you think of client objects the target object and the proxy object are the similar.
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