Please answer quickly

1-

In the following statement:

public abstract class Vehicle extends DD implements Car{ . . . }

Vehicle must implement all non-default methods in Vehicle

Select one:

True

False

2-

In Java, code is compiled to produce .class file for each class you define.

Select one:

True

False

3-

In the following statement:

public abstract class Vehicle extends DD implements Car{ . . . }

Vehicle must implement all non-default methods in Car interface.

Select one:

True

False

4-

The statement:

public final class Circle extends Shape implements Comparable indicates that:

Select one:

a.

The class Shape is automatically implementing the class Circle

b.

The class Shape is automatically implementing the interface Comparable

c.

The class Shape is automatically implementing the interface Circle

d.

None of these

5-

The following is a valid interface definition in Java

public interface Shape {

default public double getArea();

public double getPerimeter()

}

Select one:

True

False