Câu hỏi phỏng vấn Java
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What is the role of the *...

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The java.rmi.Naming class in Java plays a crucial role in the Remote Method Invocation (RMI) framework, which is used for invoking methods on an object located in a different Java Virtual Machine. The primary function of the java.rmi.Naming class is to facilitate the interaction with the RMI registry, which is a simple remote object name service that allows clients to obtain a reference to a remote object by name.

Key Functions of the java.rmi.Naming Class

  1. Binding Remote Objects: The Naming class provides methods to bind a name to a remote object in the RMI registry. This is done using the bind method, which associates a unique name with a remote object. If a name is already bound, an AlreadyBoundException is thrown[1][4][6].

  2. Rebinding Remote Objects: It also allows for rebinding a new remote object to an existing name using the rebind method. This replaces any existing binding for the name with the new remote object[1][4][6].

  3. Unbinding Remote Objects: The Naming class can remove a binding for a remote object using the unbind method. This method deletes the binding for a specified name from the registry[1][4][6].

  4. Looking Up Remote Objects: One of the most crucial functionalities is the ability to look up remote objects using their names. The lookup method returns a reference to the remote object associated with a specified name in the registry. This method is essential for clients to obtain the stub of the remote object, which they use to invoke remote methods[1][4][6].

  5. Listing Bound Names: The Naming class can list the names bound in the registry using the list method. This returns an array of names (in URL format) that are currently bound in...

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