"A relationship 'Is a' is the best description for:

• Polymorphism

• Composition

• Aggregation

• Inheritance

In order to represent a complicated process you would use?

• A Class Diagram

• A Use Case diagram

• An Activity Diagram

• A Venn Diagram

Which of the following statements are correct?

• HashMap doesn't allow any null key or value

• HashMap allows one null key and multiple null values

• HashTable doesn't allow any null key or value

• HashTable allows one null key and multiple null values

Which of the following will not directly cause a thread to stop?

• wait()

• notify()

• InputStream access

• sleep()

When the activity is not in focus, but still visible on the screen it is in?

• Dalvik Executable

• Resources

• Native Libraries

• Webkit

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

• True

• False

Which is not type of Proxy pattern?

• Virtual

• Protection

• Remote

• Public

Can an interface be final?

• Yes

• No

Do permission "Signature" protect level need user approve to use?

• Yes

• No

With which relationship a component belongs only to a whole. These components always exist and disappear with the whole?

• aggregation

• Composition

• Classification

• Generalization