The object which depends on a subject and updates according to its subject’s state is called ________________.

• A) Loader
• B) Observer
• C) State Machine
• D) Linker

How many bad smells fall in Bloaters?

• A) Three
• B) Six
• C) Four
• D) Five

At the time of refactoring, the ________________ behavior of the ________________ does not change.

• A) External, Object
• B) External, System
• C) Internal, Object
• D) Internal, System

Code has to work mostly correctly before you _________________ it.

• A) Refactor
• B) Freeze
• C) Hacked
• D) Rewrite

Reflexive associations are an association to connect a class to___________.

• A) Each other
• B) Others
• C) Itself
• D) One another

____________ deal with dynamic interactions among societies of classes and objects.

• A) Architectural patterns
• B) Structural patterns
• C) Creational patterns
• D) Behavioural patterns

Façade Design Pattern is a ________________.

• A) Structural Pattern
• B) Observer Pattern
• C) Creational Pattern
• D) Behavioral Pattern

___________deal with initializing and configuring classes and objects.

• A) Behavioural Patterns
• B) Creational Patterns
• C) Structural Patterns
• D) Bridge Patterns

In ________________________the ends of the association are semantically different from each other, even though the associated class is the same.

• A) Symmetric Reflexive Association
• B) Reflexive Association
• C) Symmetric Association
• D) Asymmetric Reflexive Association

How many bad smells fall in Object-orientation abusers?

• A) Three
• B) Four
• C) Five
• D) Six

In state design patterns, by ________________ each state in a class, we localize any changes that need to be made.

• A) Aggregating
• B) Encapsulating
• C) Associating
• D) Inheriting

In order to avoid having instances changing their own classes, we have to ensure that we ___________.

• A) Destroy the old one and create a new one
• B) Destroy all the instances of a class with no addition of new instances
• C) Keep the old one and also create a new one
• D) Destroy the old one and avoid creating a new one

_____________ defines a family of algorithms, encapsulates each one, and makes them interchangeable. Strategy lets the algorithm vary independently from clients that use it.

• A) Strategy Pattern
• B) MVC Pattern
• C) Singleton Pattern
• D) Design Pattern

The benefit of the state pattern is that state-specific logic is localized in ________________ that represent that state.

• A) Structures
• B) Classes
• C) Functions
• D) Arrays

By using strategy design pattern, you can change the behavior of context by ________________ it with different objects.

• A) Inheriting
• B) Aggregating
• C) Encapsulating
• D) Associating

In the specialization a____________________can be thought of an attribute that will have a different value in each subclass.

• A) Tag
• B) Discriminator
• C) Ticket
• D) Marker

Fowler’s book assigns “names” to refactoring in the same way that the _________________ book assigned names to patterns.

• A) K. N. Thompson
• B) GoF's
• C) William C. Wake
• D) Steven Metsker

In case of a tree data structure, all ________________ have the same structure and behavior.

• A) Classes
• B) Variables
• C) Objects
• D) Nodes

Design pattern ____________ is the abstract description of design problems and how the pattern solves it.

• A) Problem
• B) Solution
• C) Name
• D) Element

_________ should be followed if you want to avoid duplicating data.

• A) Abstraction-Occurrence Pattern
• B) Player Role Pattern
• C) General Hierarchy Pattern
• D) Facade Pattern