Java Programming: Developing a Client Application

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Questions and Answers

What is required before reproducing, distributing, or transmitting any part of the document?

  • Citing the document in the reproduction
  • Prior written permission of SLU (correct)
  • Ensuring proper formatting in the reproduction
  • Informing the readers about the document source

What does ORB stand for in the context of the provided text?

  • Object Request Broker (correct)
  • Object Routing Bot
  • Object Reflection Buffer
  • Object Relational Binding

What is the purpose of the 'run' method in the provided Java code?

  • To initialize the ORB
  • To terminate the server process
  • To wait for invocations from clients (correct)
  • To define the naming context

What does 'POA' stand for in the context of this scenario?

<p>Portable Object Adapter (C)</p> Signup and view all the answers

What is the purpose of 'NamingContextExt' in the provided code snippet?

<p>Part of Interoperable Naming Service (INS) specification (D)</p> Signup and view all the answers

Why is it important to activate the POAManager in the provided code?

<p>To make object references available (B)</p> Signup and view all the answers

What is required before reproducing, distributing, or transmitting any part of the document?

<p>Written permission from SLU (B)</p> Signup and view all the answers

In the provided code snippet, what does ORB.init() do?

<p>Creates and initializes the ORB (D)</p> Signup and view all the answers

Which part of the code demonstrates the usage of 'NamingContextExt' instead of 'NamingContext'?

<p>helloImpl = HelloHelper.narrow(ncRef.resolve_str(name)); (B)</p> Signup and view all the answers

What is the purpose of 'NamingContextExtHelper.narrow(objRef)' in the code snippet?

<p>Resolving object references in naming context (C)</p> Signup and view all the answers

What does 'helloImpl.sayHello()' do in the Java client application?

<p>Prints a greeting message (A)</p> Signup and view all the answers

Which statement correctly describes the functionality of 'helloImpl.isEven(-10)'?

<p>'-10 is even.' will be printed (B)</p> Signup and view all the answers

What actions are strictly prohibited without the prior written permission of SLU?

<p>Storing in a retrieval system (D)</p> Signup and view all the answers

What is the purpose of the IDL-to-Java mapping according to the text?

<p>To put all IDL interface operations into a shared file (C)</p> Signup and view all the answers

Which class contains the server's main() method according to the information provided?

<p>Server (A)</p> Signup and view all the answers

What is one of the functionalities of the Servant program in the context of the provided data?

<p>Registering new objects in a naming context (A)</p> Signup and view all the answers

In CORBA, what does ORB stand for?

<p>Object Request Broker (C)</p> Signup and view all the answers

What is the purpose of getting a reference to the root POA and activating the POAManager in the Server program?

<p>Registering new CORBA object (B)</p> Signup and view all the answers

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