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 Related Questions Answered by Jey on 2005-05-08 11:32:16: CMP means Container Managed Persistence. When we write CMP bean , we dont need to write any JDBC code to connect to Database. The container will take care of connection Latest Answer : CMP means Container Managed Persistence. In case of CMP bean , developers dont need to write any JDBC code to connect to Database. The container will take care of connection our enitty beans fields with database. The Container manages the persistence ... Answered by Nikhil on 2005-05-11 01:52:59: The lifetime of an MDB instance is controlled by the container. Only two states exist: Does not exist and Ready , as illustrated in the following figure: The Latest Answer : The lifetime of an MDB instance is controlled by the container. Only two states exist: Does not exist and Ready , as illustrated in the following figure: The life of an MDB instance starts when the container invokes newInstance() ... Answered by Jey on 2005-05-08 11:23:41: In J2EE application modules are packaged as EAR, JAR and WAR based on their functionality JAR: EJB modules which contains enterprise java beans class Latest Answer : EAR is an EEnterprise Aapplication archive and may contain ejb JAR files, WAR files, and RAR (connector) files. They may also contain third-party libraries - but you have to know how to manipulate the Java extension facilities (e.g. MANIFEST.MF Class-Path ... Answered by Nikhil on 2005-05-11 11:28:14: Lazy loading is a characteristic of an application when the actual loading and instantiation of a class is delayed until the point just before the instance is Latest Answer : In Lazy loading, you load the child data as and when required.Example:public class OrderBean implements EntityBean { private long orderId; private String orderName; ... Latest Answer : what is a primary key in tables used in data entry? ... EJBContext is an interface that is implemented by the container, and it is also a part of the bean-container contract. Entity beans use a subclass of EJBContext called EntityContext. Session beans use Latest Answer : Hi Guys,EJBContext interface provides methods for interacting with the container.Such as u can obtain the enterprise bean's remote home interface(getEJBHome() method),local home interface(getEJBLocalHome() method),enterprise bean's environment properties(getEnvironment() ... Read Answers (1) | Asked by : leelananda 1. How EjbQL ara impemented when it is necessary?2.what do you mean by shared transactional state data maintained by EJB?3.what do you mean by CMP & BMP &what is besic ifference between them?4.where are databese maneged by Entity bean is implemented & how many instance of the Entity bean for each client is maintained by Ejb container?please describe ths question conceptually?5.whuy BMP class returns null & why CMP implementation class reurns instanceof PK class?6.what do you mean by EJB client Read Answers (7) | Asked by : Abhijit Mallick Latest Answer : Objects returned by looking up a JNDI Name are returned by RMI-IIOP protocol. Since this protocol is language independent, objects returned by it should be typecasted using RMI-IIOP compliant method. Therefore we use PortableRemoteObject.narrow() ... Read Answers (3) | Asked by : Hari Krishna.P What is the diff between interface and abstract class?why interfaces?why packages?why abstract class?what is the diff between uncheked exception,checked exceptions?why jvm works internally?why java does not support pointers?what is diff bet callby value and call by reference in java? Read Answers (8) | Asked by : balaraju Tags : Abstract 1. How EjbQL ara impemented when it is necessary?2. what do you mean by shared transactional state data maintained by EJB?3. what do you mean by CMP & BMP & what is basic difference between them?4. where are databese maneged by Entity bean is implemented & how many instance of the Entity beanfor each client is maintained by Ejb container?please describe ths question conceptually?5. why BMP class returns null & why CMP implementation class reurns instanceof PK class?6. what do you mean by EJB client Read Answers (2) | Asked by : Girdhar Mishra
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