Java J2EE Interview Questions for Senior Developers 2020-2021 - 1
What is registry?
An infrastructure that enables the building, deployment and discovery of Web services. It is a neutral third party that facilitates dynamic and loosely coupled business to business (B2B) interactions.
What is connector?
A standard extension mechanism for containers that provides connectivity to enterprise information systems. A connector is specific to an enterprise information system and consists of a resource adapter and application development tools for enterprise information system connectivity. The resource adapter is plugged in to a container through its support for system level contracts defined in the Connector architecture.
What is conversational state?
The field value of a session bean plus the transitive closure of the objects reachable from the bean’s fields. The transitive of a bean is defined of the in terms of the serialization protocol for the Java programming language, that is, the fields that would be stored by serializing the bean instance.
What is privilege?
A security attribute that does not have the property of uniqueness and that can be shared by many principals.
What is Query string?
A component of an HTTP request URL that contains a set of parameters and values that affect the handling of the request.
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