New EJB Interview Questions :: ALLInterview.com http://www.allinterview.com New EJB Interview Questions en-us ejb session beans and entity beans? http://www.allinterview.com/showanswers/77597.html what is a ejb architecture? and overview of ejb software architectur http://www.allinterview.com/showanswers/77596.html Can Container Managed Bean-Managed Transaction ? http://www.allinterview.com/showanswers/72182.html Yes, Sure.............. Can Container managed Bean-Managed Persistence ? http://www.allinterview.com/showanswers/72180.html can anyone explain me the workflow of EJB.I have developed an app. i http://www.allinterview.com/showanswers/67908.html Can CMP manage BMP Transaction ? Entity Bean Life Cycle ? http://www.allinterview.com/showanswers/58247.html No,because cmp is handled by the container where as bmp will be taken care by the programmer. Entity bean life cycle 1).Doesn't exist state 2).Bean ready state 3).Activation and passivation state difference b/w the hybernate and entity bean http://www.allinterview.com/showanswers/36819.html In simple way, Entity Bean has a overhead of handling RDBMS, For Handling this Hybernate comes into picture. how can u integrate ejb and hibernate? How can u call hibernateDAO http://www.allinterview.com/showanswers/36555.html hibernate used to perform OR(object relational) mapping.it is alternate to DAO . servlets--->ejbSEssionbean(to store businesslogic)--->ejb entity bean(to maintain persistence logic)here we use hibernate instead of entity bean. the above Driver manager is a class/interface. http://www.allinterview.com/showanswers/36146.html The JDBC DriverManager is a clas....It loads the JDBC driver needed to access a particular data source, locates and logs on to the database and returns a Connection object. what is an ejb object? http://www.allinterview.com/showanswers/36145.html Ejb object is a server-side object,and it conatins business methods,that is why we need to call ejb object as a business component. can u explain about design patterns like singleton,builder,factory http://www.allinterview.com/showanswers/35300.html whatis the diff between ejb and servlet/jsp http://www.allinterview.com/showanswers/33048.html Ejb is a EJBCntainer. servlet and jsp are webcontainer. Ejb is business logic . servlet and jsp are presentation logic. what s the difference b/w EJB 2.0 and EJB 3.0 technically http://www.allinterview.com/showanswers/32229.html EJB 2.0 are very complex, difficult to learn/use. Uses methods like "ejbPassivate", "ejbActivate", "ejbLoad", "ejbStore". Needs a deployment descriptor. In EJB 3.0 methods like "ejbPassivate&qu Can the primary key in the entity bean be a Java primitive type such http://www.allinterview.com/showanswers/28968.html The primary key can't be a primitive type--use the primitive wrapper classes, instead. For example, you can use java.lang.Integer as the primary key class, but not int (it has to be a class, not a primitive) How can I call one EJB from inside of another EJB? http://www.allinterview.com/showanswers/28967.html EJBs can be clients of other EJBs. It just works. Use JNDI to locate the Home Interface of the other bean, then acquire an instance reference, and so forth.