This week's book giveaway is in the OCP forum. We're giving away four copies of OCP Oracle Certified Professional Java SE 11 Developer Practice Tests and have Scott Selikoff and Jeanne Boyarsky on-line! See this thread for details.
Q: Which are ways in which a client can get a reference to an existing entity object's local component interface? D.Receive the reference as a parameter in a method call. what's mean of D option? why call "parameter"? I feel my english is poor
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