The following is used in the treatment of acute asthma attack:             

The following route refers to introducing drugs directly into the cerebrospinal fluid (CSF):                                                                                                                                  

The following is classified as β-lactamase resistant penicillin:                                 

The following is an adverse effect of aminoglycosides:                                       

The following is used for short-term treatment of nasal congestion:        

Which best describes the protected keyword?

A regular (non-abstract) class can have an abstract method.

You’re writing a program to simulate drone flights. You need to represent a drone and its components, such as its motor and battery. So you decide to have a Drone class, a Motor class, and a Battery class. Which of the following would be the most sensible relationship for these classes?

An abstract class can have non-abstract methods.

Which of the following are benefits of the Comparable interface?