JUnit Questions and Answers – The Controller Component

This set of JUnit Multiple Choice Questions & Answers (MCQs) focuses on “The Controller Component”.

1. The ______ is a component that “interacts with a client, controlling and managing the handling of each request”.
a) Master
b) RequestHandler
c) Controller
d) Class
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2. An example of a web controller is __________
a) Apache Struts Framework
b) JUnit
c) Java
d) Php
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3. What are the object(s) which make the core of the description of a controller component?
a) The Request, the Response
b) The Request, the Response, the RequestHandler, and the Controller
c) The Request
d) The RequestHandler
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4. What is the signature of the addHandler method of the Controller interface?
a) void addHandler(Request request, RequestHandler requestHandler)
b) void addHandler(RequestHandler requestHandler);
c) void addHandler(RequestHandler requestHandler);
d) void addHandler(Request request, Request requestHandler);
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5. The principle of “Hollywood Principle: Don’t call us, we’ll call you” is commonly known as _____________
a) Calling Principle
b) Control Call
c) Inversion of Control
d) No-Show Principle
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6. Inversion of Control is used to increase __________ of the code.
a) Functionality
b) Cleanliness
c) Effectiveness
d) Modularity
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7. When the container calls setter methods after invoking a constructor with no arguments it is known as ________________
a) Constructor-based dependency injection
b) Setter-based dependency injection
c) Setter-Seller dependency injection
d) No-Constructor dependency injection
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8. Constructor-based DI is accomplished when the container invokes a class constructor with ____________
a) A number of arguments
b) No argument
c) Just one argument
d) Null objects
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9. Constructor-based DI is preferred for ___________
a) Optional dependencies
b) Mandatory dependencies
c) All dependencies
d) No dependency
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10. In the context of unit testing, the term ___________ is used to contrast and compare the objects you use in your application with the objects that you use to test your application (test objects).
a) Mock Object
b) Dummy Object
c) Domain Object
d) Real Object
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