Given the declaration Circle x $=$ new Circle$(),$ which of the following statements is most accurate:

Question $13$Answer

a$.$

$$x contains a reference to a Circle object.

b$.$

$$x contains an object of the Circle type.

c$.$

You can assign an int value to x$.$

d$.$

x contains an int value.

Question $12$Answer

a$.$

that a variable of supertype can refer to a subtype object

b$.$

none of the above

c$.$

that a class can contain another class

d$.$

that data fields should be declared private

Question $11$Answer

a$.$

Raptor object can refer to a Lightning object

b$.$

FighterJet object can not refer to a Lightning object

c$.$

Lightning object can refer to a Raptor object

d$.$

FighterJet object can refer to a Raptor object

Question $10$Answer

a$.$

Subclass is more detailed than the superclass

b$.$

Superclass is more detailed than the subclass

c$.$

Subclass and superclass are only related through composition

d$.$

Both the subclass and superclass have the same level of detail