Quiz: The Basics of Reactive Programming

Check your understanding of reactive programming basics by solving a quiz.

Introduction to Reactive Programming


What is the main difference between a promise and an observable?


Promises are executed when they are defined while Observables are executed when an Observer is subscribed to them.


Promises and Observables are executed at the definition time.


Promises and Observables can be canceled.

Question 1 of 40 attempted

Get hands-on with 1200+ tech skills courses.