View All num of num See all Photos Fidelity Investments This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.fidelity.com Employer Engaged Overview Reviews Salaries Interviews Jobs Photos Benefits 2.1k Reviews 4.0k Salaries 708 Interviews 960 Jobs Follow Add Review or Salary Follow Add Review or Salary Interview Question Software Engineer Interview Marlborough, MA Fidelity Investments What is polymorphism Tags: See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ Polymorphism allows you to treat derived objects as if they were base objects.For example, you create a number of specialized BIRD types: Penguins, Parrots, Gulls. All of these derive from BIRDS. BIRDS has a number of methods that are factored out of the derived classes. Justin on May 1, 2013 Add Answers or Comments To comment on this, Sign In or Sign Up.