______ are used to create new building blocks from existing blocks.

Related MCQs

• ___________ classes are used to create the interface that the user sees and interacts with as the software is used.
• Given the following scenario: You want to create families of related objects, to be used interchangeably to configure you application. What is most appropriate GoF pattern to use?
• The _____________ helps you to create tree structures of objects.
• The Proxy pattern deals with situations where you have a complex object or it takes a long time to create the object.
• Can We Create A Clone Of A Singleton Object?
• Benefit of ______________ is handling new variations will become easy.
• Which GRASP pattern helps to find out answer for “Who should be responsible for creating a new instance of some class?"
• In the Publish-Subscribe messaging model, the subscribers register themselves in a topic and are notified when new messages arrive to the topic. Which pattern does most describe this model?
• Which GOF design pattern is applied in the code snippet below? public class PrintSpooler { private static final PrintSpooler INSTANCE = new PrintSpooler(); private PrintSpooler() {} public static PrintSpooler getInstance() { return INSTANCE; } }
• It is also known as Wrapper, it is used when subclassing is not possible or practical to add functionality and it is used to add functionality at runtime. This pattern is