CRT-450 Question 35

Community Discussion

Written by other learners. Comments can disagree with the marked answer — check the official documentation when in doubt.

• Chose B1

  Answer is B

• Chose B2

  B is the right answer. If you extend a class from the parent class, you can use parent methods in child methods. Otherwise, if you implement the class, it will be necessary to implement as well all its methods, so the desired code will need to be replicated many times.

• Chose C2

  Interface is the most suitable when we want specific behavior on many otherwise unrelated classes - C