Android - Quiz 14

Which one is not type of design pattern?

• Creational pattern
• Behavioral patterns
• Concurrency pattern
• None of above

What are the types of participants of the prototype design pattern you will get?

• Prototype registry
• Clients
• Server
• End users

Which design pattern allows an object has one-to-many relationship with other objects?

• Observer
• Facade
• Memento
• Mediator

What is the priority of the thread in output in the following Java program?

• 0

• 4

• 1

• 5

Which of this method is used to find out that a thread is still running or not?

• run()
• isAlive()
• Alive()
• checkRun()

Which operator is used to invert all the digits in a binary representation of a number?

• ~
• <<<
• >>>
• ^

What type of relationship is represented by Shape class and Square ?

• Realization

• Generalization

• Aggregation

• Dependency

Which permission level need user approve to use?

• Normal
• Dangerous
• Signature
• SignatureOrSystem

You can create an emulator to simulate the configuration of a particular type of Android device using a tool like

• Theme Editor
• Android SDK Manager
• AVD Manager
• Virtual Editor

SQLite is an Open Source Database system embedded into every Android device.

• True
• False