Please answer quickly

1-

In the statement: private static int numberOfRooms=100; the value of the variable numberOfRooms can be changed using mutator (setter) methods of the class where the variable is defined.

Select one:

True

False

2-

A class can include a definition of an interface.

Select one:

True

False

3-

Mutable object is an object whose value can not be changed after its creation.

Select one:

True

False

4-

Which of the following statements is used to prevent other classes extend a class named Triangle?

Select one:

a.

public abstract class Triangle { }

b.

public interface Triangle { }

c.

public final class Triangle { }

d.

public final Triangle class { }

5-

What corrections are needed to the following varargs method header/signature to make it work properly in Java, Assuming that the varargs method is defined in a class named Circles:

public Circles getMaxArea(Circle ... Circle)

{

}

Select one:

a.

Change (Circle ... Circle) to (Circle ... circles)

b.

Change (Circle ... Circle) to (Circle ... C)

c.

Any of these

d.

Change (Circle ... Circle) to (Circles ... Circle)