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Why is there no polymorphic-type response from a create() or find() method?
Ans) The EJB Specification forbids this behavior, and the weblogic.ejbc compiler checks for this behavior and prohibits any polymorphic type of response from a create() or find() method.
The cause the create() and find() methods are not polymorphic is same to the reason constructors are not polymorphic in Java. The derived classes commonly do not know or cannot initialize the base class properly.
Why do I get an exception when trying to find a connection factory? Ans) The exception is regularly something like java.io.InvalidClassException or java.lang.NoClassDefFoundErro
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representation of the adjacency matrix and adjacency list
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