1.What is Go? Go is a general-purpose language designed with systems programming in mind.It was initially developed at Google in year 2007 by Robert Griesemer, Rob Pike, and Ken Thompson. …
41.What ACID stands for? ACID stands for Atomic, Consistent,Isolated and Durable.
31.How EJB implements dependency injection? EJB 3.0 specification provides annotations which can be applied on fields or setter methods to inject dependencies. EJB Container uses the global JNDI registry to …
21.What is Callback in EJB? Callback is a mechanism by which life cycle of an enterprise bean can be intercepted. EJB 3.0 specification has specified callbacks for which callback handler …
11.Explain @javax.ejb.Stateless annotation. @javax.ejb.Stateless annotation specifies that a given ejb class is a stateless session bean.Following are its attributes: name – Used to specify name of the session bean. …
1.What is EJB? EJB stands for Enterprise Java Beans. EJB is an essential part of a J2EE platform. J2EE platform have component based architecture to provide multi-tiered, distributed and highly …
How to create a Many to Many Relationship in Salesforce Junction Object: A custom object with two master-detail relationships. Using a custom junction object, you can model a “many-to-many” relationship …
41.is Visitor pattern? In Visitor pattern, we use a visitor class which changes the executing algorithm of an element class. By this way, execution algorithm of element can vary as …
31.What are the entities of Service Locator pattern? Following are the entities of this type of design pattern. Service – Actual Service which will process the request. Reference of such …
21.What is Composite pattern? Composite pattern is used where we need to treat a group of objects in similar way as a single object. Composite pattern composes objects in term …
