Which mechanism is applied to use a design pattern in an OO system ?

Related Mcqs:

1. You want to minimize development cost by reusing methods? Which design pattern would you choose ?

   A. Adapter Pattern B. Singleton Pattern C. Delegation pattern D. Immutable Pattern...

2. Which of the following is a design pattern?

   A. Behavioral B. Structural C. Abstract Factory D. All of the mentioned...

3. Which design pattern defines one-to-many dependency among objects ?

   A. Singleton pattern B. Facade Pattern C. Observer pattern D. Factory method pattern...

4. You want to avoid multiple inheritance. Which design pattern would you choose ?

   A. Abstraction-Occurrence Pattern B. Player-Role Pattern C. General Hierarchy Pattern D. Singleton Pattern...

5. Which of the following is not needed to develop a system design from concept to detailed object-oriented design ?

   A. Designing system architecture B. Developing design models C. Specifying interfaces D. Developing a debugging system...

6. Which pattern prevents one from creating more than one instance of a variable ?

   A. Factory Method B. Singleton C. Observer D. None of the mentioned...

7. In factory method pattern, the framework must instantiate classes but it only knows about the abstract classes, which it cannot initiate. How would one solve this problem ?

   A. encapsulating the knowledge of which document subclass to is to be created and B. moving this knowledge out of the framework C. instantiating the application specific documents without knowing their class D. all of the mentioned...

8. Which of the following steps is applied to develop a decision table ?

   A. List all actions that can be associated with a specific procedure B. List all conditions during execution of the procedure C. Define rules by indicating what action(s) occurs for a set of conditions D. All of the mentioned...

9. A ______________ is a graphical representation that depicts information flow and the transforms that are applied as data moves from input to output?

   A. data flow diagram B. state transition diagram C. control specification D. workflow diagram...

10. Which of the following option is not considered by the Interface design ?

    A. the design of interfaces between software components B. the design of interfaces between the software and human producers and consumers of information C. the design of the interface between two computers D. all of the mentioned...